Inlet vanes are often used for capacity modulation. They give accurate modulation and power savings over other styles of dampers at reduced air flow (Centrifugal Power Foil Fan).

When an inlet vane is partially closed, each blade directs the air into the wheel in the direction of rotation and so the air is prespun. This brings about a reduction in the CFM, static pressure and BHP. The amount of BHP savings at reduced CFM is determined by the type of system and type of Fan-Vane combination. Centrifugal Power Foil Fan.

Canada Blower Centrifugal Power Foil Fan Blowers realizes the importance of providing accurate and complete engineering information

Centrifugal Power Foil Fan - Powerfoil Nested Type Inlet Vane Corrections

The nested inlet vane corrections for all sizes are with the vanes fully open.

Due to additional losses at the fan inlet caused by the installation of variable inlet vanes, a slight correction above catalog RPM and BHP ratings is necessary to reach design performance. Centrifugal Power Foil Fan

These correction factors are as follows: Fan Size AF270 thru AF330 RPM x 1.05

BHP x 1.145 AF365 thru AF490 RPM x 1.035

BHP x 1.09

regarding inlet vanes. This comprehensive engineering data is a direct result of information derived from tests performed in our laboratory. (Centrifugal Power Foil Fan)

In selecting vanes caution must be used below 50% of the design CFM since there is a possibility that fan pulsation may occur.

DWDI fan

Motor Positions for Belt Drive Centrifugal Fans

Location of motor is determined by facing the drive side of fan and designating the motor position by letters W, X, Y, or Z as the case may be.

Standards adopted for spark-resistant fans AMCA Standard 99-0401-86

Example: AF365SW Class I is to operate at 16,852 CFM at 2" S.P.

CENTRIFUGAL POWER FOIL FAN TABLES

Step 1: Through interpolation establish the design RPM and BHP of the unit from the performance tables. For this unit it would be 865 RPM and 8.01 BHP.
Step 2: Multiply design RPM and BHP by the following factors to determine the required RPM and BHP for a fan with nested type inlet vanes.

Example: 8.65 (design RPM) x 1.035 = 895 (corrected RPM) 8.01 (design BHP) x 1.09 = 8.73 (corrected BHP)

CENTRIFUGAL POWER FOIL FAN TABLES

Final Selection: AF365SW, Class I to deliver 16,852 CFM at 2" S.P. with nested inlet vanes requires 895 RPM and 8.73 BHP.

Caution: Check RPM and BHP to insure they do not exceed selected blower class or motor horsepower.

Spark Resistant — Type A:

AMCA Standards require that all parts of the fan in contact with the air or gas being handled shall be made of non-ferrous material.

Spark Resistant — Type B:

AMCA Standards require the fan to have the wheel and ring about the opening through which the shaft passes of non-ferrous material. Ferrous hubs, shafts and hardware are permitted. Fans for this condition are furnished with a non-ferrous wheel (except hub and hardware) and a non-ferrous shaft seal around the shaft opening. A variety of construction materials are available for the Canada Blower fan wheel, airstream accessories, or the entire fan.

Spark Resistant — Type C:

AMCA standards require the fan to be so constructed that a shift of the wheel or shaft will not permit two ferrous parts of the fan to rub or strike. Fans for this condition will be furnished with a non-ferrous inlet cone and rubbing plate around the shaft opening.

Note: For all type spark resistant fans, the user shall electrically ground all fan parts. Either A or B construction conforms to requirements of National Board of Fire Underwriters Pamphlet No. 91 for fans handling flammable vapors. Bearings shall not be placed in the air or gas stream. A non-ferrous material shall be any material with less than 5% iron or any other material with demonstrated ability to be spark resistant.

The use of these constructions in no way implies a guarantee of safety for any level of spark resistance. Spark resistant construction does not protect against ignition of explosive gases caused by catastrophic failure or from any airstream material that may be present in a system.

Spark-proof construction available for SWSI units in arrangements 1, 2, 8, 9, and 10 only.

Reprinted from Canada Blower publication 99.

Powerfoil blowers using newly designed wheels with airfoil section blades have been developed to produce ultra-high total and static efficiencies over a broad performance range with extremely low sound generation. Hollow heavy gauge airfoil section blades, aerodynamically engineered, are die-formed in one piece and welded at the trailing hydraulic riveters. Metal gauges of all components are increased for higher construction classes and blades are internally reinforced as required (shown below). Canada Powerfoil wheel represents the ultimate in centrifugal wheel construction and is designed for optimum trouble-free performance and longevity.

Static and Dynamic Balancing

Complete wheel assemblies of all Canada Blower fan sizes are statically and dynamically balanced on electronically controlled balancing machines. The necessary weights are arc welded into place so that the wheel will always stay in balance.

After complete blowers are assembled, they are all given a running-in

CENTRIFUGAL POWER FOIL FAN TABLES

FAN SIZE CLASS 1 WEIGHT WR2 CLASS 2 WEIGHT WR2 SWSI WEIGHT WR2 CLASS 3 WEIGHT WR2 CLASS 1 DWDI WEIGHT WR2 CLASS 2 WEIGHT WR2 CLASS 3
AF270 77 48 78 48 92 55 133 76 132 76 168 92
AF300 99 72 99 72 109 81 156 112 154 112 193 134
AF330 133 121 133 121 183 146 200 181 218 184 299 231
AF365 159 181 161 182 221 223 238 268 257 272 356 351
AF402 204 285 204 285 262 330 331 440 386 461 545 590
AF445 247 427 282 437 315 500 395 654 447 676 627 862
AF490 363 776 400 789 438 881 593 1131 587 1132 779 1381

CENTRIFUGAL POWER FOIL FAN TABLES

fanTwo separate horsepower requirements must be considered when selecting the motor for a fan:
    1. The brake horsepower (BHP) required to turn the fan at the proper speed (RPM) to deliver the design volume (CFM) at the necessary static pressure (SP).
  1. The minimum motor horsepower required to bring the fan to the necessary RPM, by overcoming the inertia load of the wheel and shaft.

The inertia load of the wheel and shaft is measured as moment of inertia (WR2) in lbs. ft.2 units. This value is used to determine the capability of a motor to bring the load up to the required speed before the motor overheats.

Fans selected in the lower static pressures, may specify motors, which are not large enough to start the fan without overheating the motor or the electrical system. Generally, smaller fans do not present a starting problem.

Whenever devices such as inlet vanes and outlet dampers are used and kept closed until the fan has reached operating speed, both motor heating and starting load are decreased.

Under certain operating conditions it may be possible to use motors smaller than the minimum horsepower recommendations shown on the performance pages, by checking with the motor supplier

CAUTION:

The minimum motor starting requirements shown on the performance pages are for belt driven units.

Motor manufacturers differ on the WR2F capabilities of their motors, an average value for standard design B, open drip-proof, 1750 rpm motors was used to determine the minimum motor hp. WRF2 referred to the motor is

RPM FAN 2

( ) X WR2FAN X 1.1

RPM MOTOR

Direct driven units generally will require larger motors to accelerate the fan inertia load to the designed speed.

Procedure for using correction factors

The density of air at 70 deg. F. and 29.92" barometric pressure (sea level) is .075lbs./cu.ft. and all fan performance tables shown herein have been developed at this standard density. When either temperature or barometric pressure deviates from the above, a change in density obviously results, thus changing fan BHP requirements (system capacity and pressure requirements being fixed by design conditions).

In order to use standard performance tables to determine correct BHP when installation environment involves either or both non-standard temperature and barometric pressure, the following density correction factor table has been developed through applicable physical laws.

Example: Use of correction factor table. Requirement – A blower to deliver

13022 CFM at 1.5" S.P. at 350 deg. F. and 7000 ft. above sea level. Data Needed to Fill Requirement: Fan

size, BHP and RPM.

  1. From table below correction factor for 350 deg. F. and 7000 ft. above sea level = 2.00.
    1. 1.5" S.P. (design S.P.) x 2.00 = 3"
    2. S.P. (S.P. corrected to 70 degrees at sea level).
    1. Select from performance table a blower to deliver 13022 CFM at 3"
    2. S.P. Best selection indicates a No. AF365 SW Powerfoil Blower at 834 RPM and 7.52 BHP .
  2. Correct BHP by dividing 7.52 BHP by 2. This equals 3.76 BH (correct for 350 deg. F. at 7000 ft.altitude).

Recommended Selection: NIS-CO Centrifugal Power Foil Fan Blowers Powerfoil Size AF365SW Blower: capacity 13022 CFM, S.P. 1.5", temperature 350 deg. F. altitude 7000 ft., 834 RPM, 3.76 BHP.

Note: Caution should be exercised in selecting the motor sizes for operating fans handling high temperature air. If the operation of the system is such that there is a build-up period starting with lower temperature air, this will result in the fan requiring more horsepower during that period and the motor size should be selected for the most severe condition. Centrifugal Power Foil Fan.

The following correction factor table is shaded to show standard table altitude (0 ft.) and temperature (70°). Where only one non-standard condition exists, read the other condition as standard.

Altitude And Temperature Correct ION Factor Table

AIR TEMP. DEG. F. 0 500 1000 1500 2000 2500 3000 ALTITUDE IN FEET ABOVE SEA LEVEL 3500 4000 4500 5000 5500 6000 6500 7000 7500 8000 8500 9000 10000
0° 0.87 .89 .91 .92 .94 .96 .98 .99 1.01 1.03 1.05 1.06 1.09 1.10 1.13 1.15 1.17 1.19 1.22 1.26
40° 0.94 .96 .98 1.00 1.02 1.04 1.06 1.08 1.10 1.12 1.14 1.16 1.19 1.21 1.23 1.26 1.28 1.30 1.32 1.36
70° 1.00 1.02 1.04 1.06 1.08 1.10 1.12 1.14 1.16 1.18 1.20 1.22 1.25 1.27 1.30 1.32 1.35 1.37 1.40 1.45
80° 1.02 1.04 1.06 1.08 1.10 1.12 1.14 1.16 1.19 1.21 1.23 1.26 1.28 1.30 1.33 1.36 1.38 1.41 1.43 1.48
100° 1.06 1.08 1.10 1.12 1.14 1.16 1.19 1.21 1.23 1.25 1.28 1.30 1.33 1.35 1.38 1.41 1.43 1.46 1.48 1.54
120° 1.09 1.12 1.14 1.16 1.18 1.20 1.23 1.25 1.28 1.30 1.32 1.35 1.38 1.40 1.43 1.46 1.48 1.51 1.53 1.58
140° 1.13 1.15 1.18 1.20 1.22 1.25 1.27 1.29 1.32 1.34 1.37 1.40 1.42 1.45 1.48 1.51 1.54 1.57 1.58 1.65
160° 1.17 1.19 1.22 1.24 1.26 1.29 1.31 1.34 1.36 1.39 1.42 1.44 1.47 1.50 1.53 1.56 1.59 1.62 1.64 1.70
180° 1.21 1.23 1.26 1.28 1.30 1.33 1.36 1.38 1.41 1.43 1.46 1.49 1.52 1.55 1.58 1.61 1.64 1.67 1.70 1.75
200° 1.25 1.27 1.29 1.32 1.34 1.37 1.40 1.42 1.45 1.48 1.51 1.54 1.57 1.60 1.63 1.66 1.69 1.72 1.75 1.81
250° 1.34 1.36 1.39 1.42 1.45 1.47 1.50 1.53 1.56 1.59 1.62 1.65 1.68 1.71 1.74 1.78 1.82 1.85 1.88 1.94
300° 1.43 1.46 1.49 1.52 1.55 1.58 1.61 1.64 1.67 1.70 1.74 1.77 1.80 1.84 1.87 1.91 1.94 1.98 2.00 2.08
350° 1.53 1.56 1.59 1.62 1.65 1.68 1.72 1.75 1.78 1.81 1.85 1.88 1.92 1.96 2.00 2.04 2.07 2.11 2.14 2.22
400° 1.62 1.65 1.69 1.72 1.75 1.79 1.82 1.85 1.89 1.93 1.96 2.00 2.04 2.08 2.12 2.16 2.20 2.25 2.27 2.35
450° 1.72 1.75 1.79 1.82 1.86 1.89 1.93 1.96 2.00 2.04 2.08 2.12 2.16 2.20 2.24 2.29 2.33 2.38 2.41 2.50
500° 1.81 1.85 1.88 1.92 1.96 1.99 2.03 2.07 2.11 2.15 2.19 2.23 2.28 2.32 2.36 2.41 2.46 2.51 2.54 2.62
550° 1.91 1.94 1.98 2.02 2.06 2.10 2.14 2.18 2.22 2.26 2.30 2.35 2.40 2.44 2.49 2.54 2.58 2.63 2.68 2.77
600° 2.00 2.04 2.08 2.12 2.16 2.20 2.24 2.29 2.33 2.38 2.42 2.47 2.50 2.56 2.61 2.66 2.71 2.77 2.80 2.90
650° 2.10 2.14 2.18 2.22 2.26 2.31 2.35 2.40 2.44 2.49 2.54 2.58 2.63 2.68 2.74 2.79 2.84 2.90 2.94 3.04
700° 2.19 2.23 2.27 2.32 2.36 2.41 2.46 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.86 2.91 2.97 3.03 3.06 3.18
750° 2.28 2.33 2.37 2.42 2.47 2.51 2.56 2.61 2.66 2.71 2.76 2.81 2.87 2.92 2.98 3.04 3.10 3.16 3.19 3.31
800° 2.38 2.43 2.48 2.52 2.57 2.62 2.66 2.72 2.76 2.81 2.86 2.90 2.98 3.02 3.10 3.14 3.21 3.26 3.33 3.45
850° 2.47 2.52 2.57 2.62 2.67 2.72 2.76 2.82 2.87 2.92 2.97 3.02 3.09 3.14 3.21 3.26 3.33 3.38 3.46 3.58
900° 2.57 2.62 2.67 2.72 2.76 2.83 2.88 2.93 2.98 3.03 3.08 3.14 3.21 3.26 3.34 3.39 3.47 3.52 3.60 3.73
950° 2.66 2.72 2.77 2.82 2.87 2.92 2.98 3.03 3.08 3.14 3.19 3.24 3.32 3.38 3.46 3.51 3.58 3.64 3.72 3.86
1000° 2.76 2.82 2.87 2.92 2.98 3.04 3.09 3.14 3.20 3.26 3.31 3.37 3.45 3.50 3.59 3.64 3.72 3.78 3.86 4.00
TEMPERATURE OPERATING LIMITS TEMPERATURE RPM DERATING FACTORS IN PERCENT:
STEEL WHEEL ALUMINUM WHEEL
300°F 100% 301-400°F 96% 401-500°F 92% 501-600°F 85% 150°F 100% 151-200°F 95% 201-250°F 80%

Better Products by Design with Quality in Every Product

Performance Engineered Fan Arrangements,

blower ventilator

RPM 3

powerfoil fanTIP SPEED (FPM) = 7.069 x RPM OUTLET 4.19 Sq. Ft. Inside MAX. HP = 3.15{29" x 211/4" Outside (1000 )

WHEEL DIAMETER = 27" INLET 4.430 Sq. Ft. Inside MAX. RPM{ 29" Dia. Outside CL.1 1453

CL.2 1893

CL.3 2389

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
3352 3771 4190 800 900 1000 412 447 482 0.21 0.26 0.32 445 478 511 0.28 0.33 0.40 478 507 539 0.34 0.41 0.48 511 536 565 0.41 0.48 0.57 544 565 591 0.49 0.56 0.65 578 595 617 0.58 0.65 0.74 613 624 644 0.67 0.74 0.83 — 685 697 — 0.94 1.02 — — 752 — — 1.25 — — — — — —
4609 5028 5447 1100 1200 1300 519 555 592 0.38 0.46 0.55 546 582 618 0.47 0.56 0.65 572 606 641 0.56 0.66 0.76 596 629 663 0.66 0.76 0.87 620 652 684 0.75 0.86 0.98 644 674 705 0.84 0.96 1.09 668 695 725 0.94 1.06 1.19 716 739 766 1.13 1.26 1.41 764 783 806 1.35 1.48 1.64 814 828 847 1.60 1.72 1.87
5866 6285 6704 1400 1500 1600 630 668 706 0.64 0.75 0.88 654 691 728 0.76 0.88 1.01 677 713 750 0.88 1.01 1.15 698 734 769 0.99 1.13 1.28 718 753 788 1.11 1.25 1.41 738 772 806 1.23 1.38 1.54 757 790 824 1.34 1.50 1.68 795 826 858 1.58 1.75 1.94 832 861 891 1.81 2.00 2.21 870 895 924 2.06 2.26 2.48
7123 7542 7961 1700 1800 1900 745 784 823 1.02 1.18 1.35 766 804 842 1.16 1.32 1.50 786 823 861 1.30 1.47 1.66 806 842 879 1.44 1.62 1.82 824 860 896 1.59 1.77 1.98 841 877 913 1.73 1.92 2.14 858 893 929 1.87 2.07 2.29 891 925 959 2.15 2.37 2.61 922 955 989 2.43 2.67 2.92 954 985 1017 2.72 2.97 3.24
8380 9218 10056 2000 2200 2400 862 940 1019 1.54 1.97 2.48 880 958 1036 1.70 2.15 2.68 898 975 1052 1.86 2.33 2.88 916 991 1067 2.03 2.51 3.07 933 1007 1082 2.20 2.69 3.27 949 1022 1096 2.36 2.88 3.47 965 1037 1110 2.53 3.06 3.67 994 1066 1138 2.86 3.43 4.07 1023 1093 1164 3.19 3.79 4.47 1050 1118 1188 3.52 4.16 4.87
10894 11732 12570 2600 2800 3000 1098 1178 1258 3.07 3.77 4.56 1115 1193 1272 3.30 4.00 4.81 1130 1208 1286 3.51 4.24 5.07 1144 1221 1299 3.72 4.47 5.32 1157 1234 1312 3.93 4.69 5.56 1171 1247 1324 4.14 4.92 5.80 1185 1260 1336 4.36 5.15 6.04 1211 1285 1359 4.80 5.62 6.54 1236 1309 1382 5.23 6.09 7.04 1260 1332 1405 5.66 6.55 7.54
13408 14246 3200 3400 1338 1419 5.47 6.48 1351 1431 5.72 6.76 1365 1443 6.00 7.04 1377 1456 6.27 7.34 1390 1468 6.53 7.62 1401 1479 6.79 7.90 1412 1490 7.04 8.17 1435 1511 7.57 8.71 1457 1532 8.10 9.27 1478 1552 8.63 9.84
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
5447 5866 6285 1300 1400 1500 888 907 930 2.13 2.31 2.52 971 984 1001 2.70 2.87 3.07 1062 1073 — 3.51 3.70 — 1146 — — 4.41 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
6704 7123 7542 1600 1700 1800 956 984 1014 2.75 3.00 3.27 1022 1046 1072 3.31 3.58 3.88 1088 1108 1131 3.93 4.20 4.51 1156 1171 1189 4.61 4.87 5.17 1225 1235 1249 5.38 5.61 5.89 1300 1309 — 6.42 6.68 — 1371 — — 7.54 — — 1433 — — 8.47 — — — — — — — — — — — — — —
7961 8380 9218 1900 2000 2200 1045 1077 1144 3.55 3.86 4.52 1100 1130 1193 4.19 4.53 5.25 1155 1182 1241 4.84 5.20 5.99 1211 1235 1288 5.52 5.89 6.73 1267 1287 1336 6.23 6.61 7.48 1323 1341 1384 7.00 7.37 8.26 1380 1394 1432 7.83 8.19 9.06 1438 1449 1480 8.74 9.07 9.91 1497 1504 1529 9.71 10.01 10.81 1559 1578 — 11.01 11.76 —
10056 10894 11732 2400 2600 2800 1212 1283 1354 5.26 6.10 7.02 1258 1327 1396 6.06 6.96 7.95 1303 1369 1437 6.86 7.82 8.87 1347 1410 1476 7.66 8.68 9.80 1391 1451 1514 8.47 9.55 10.74 1435 1491 1552 9.28 10.42 11.67 1478 1531 1589 10.11 11.30 12.61 1522 1572 1627 10.97 12.19 13.55 1566 1612 1664 11.85 13.10 14.50 1610 1652 1702 12.78 14.03 15.46
12570 13408 14246 3000 3200 3400 1426 1499 1573 8.04 9.17 10.41 1467 1539 1611 9.04 10.24 11.55 1506 1576 1648 10.03 11.30 12.68 1543 1613 1683 11.03 12.36 13.81 1580 1648 1717 12.02 13.42 14.93 1616 1682 1749 13.02 14.48 16.06 1651 1715 1782 14.02 15.55 17.19 1686 1749 1813 15.02 16.61 18.32 1721 1782 1845 16.03 17.68 19.45 1756 1814 1876 17.04 18.75 20.59
15084 15922 16760 3600 3800 4000 1647 1721 1797 11.78 13.27 14.90 1684 1758 1832 12.98 14.54 16.24 1720 1792 1866 14.19 15.82 17.58 1754 1826 1898 15.38 17.08 18.92 1787 1858 1929 16.57 18.34 20.25 1819 1889 1960 17.76 19.60 21.58 1850 1919 1989 18.96 20.86 22.90 1880 1948 2017 20.15 22.12 24.22 1910 1977 2046 21.35 23.38 25.55 1940 2006 2073 22.55 24.64 26.87
17598 18436 4200 4400 1873 1949 16.68 18.62 1906 1982 18.07 20.07 1939 2013 19.48 21.54 1971 2044 20.89 23.01 2001 2074 22.29 24.49 2031 2103 23.69 25.96 2060 2131 25.08 27.42 2088 2158 26.47 28.88 2115 2185 27.86 30.33 2142 2211 29.25 31.79
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
100561089411732 2400 2600 2800 1655 1693 1739 13.75 14.99 16.44 1700 1734 1777 14.7715.9917.44 1746 1775 1814 15.8417.0218.47 1791 1817 1852 16.9618.1019.54 1838 1858 1890 18.14 19.2320.63 1943 1967 — 21.63 22.95 — 2029 2045 — 24.23 25.44 — 2124 — — 28.11 — — 2204 — — 30.98 — — — — — — — —
125701340814246 3000 3200 3400 1791 1847 1907 18.06 19.83 21.72 1826 1880 1938 19.1020.9122.87 1861 1913 1969 20.1522.0024.01 1896 1945 2000 21.22 23.1025.16 1931 1978 2030 22.31 24.22 26.32 2002 2044 2092 24.59 26.52 28.67 2073 2110 2154 27.01 28.91 31.09 2145 2177 2216 29.59 31.43 33.60 2219 2244 2279 32.33 34.09 36.22 2293 2312 2342 35.25 36.90 38.96
150841592216760 3600 3800 4000 1970 2034 2100 23.75 25.90 28.20 1999 2062 2127 24.9527.1729.53 2028 2090 2154 26.1628.4430.86 2057 2118 2181 27.3629.7132.20 2086 2146 2207 28.5830.9833.53 2144 2201 2260 31.02 33.54 36.21 2203 2256 2312 33.50 36.11 38.90 2261 2311 2365 36.04 38.72 41.61 2320 2366 2417 38.66 41.39 44.35 2379 2422 2469 41.38 44.12 47.13
175981843619274 4200 4400 4600 2168 2237 2307 30.64 33.24 36.00 2194 2262 2331 32.0434.7037.53 2220 2287 2356 33.4336.1639.05 2246 2312 2380 34.8337.6240.57 2271 2337 2403 36.2339.0842.10 2322 2385 2450 39.04 42.02 45.16 2372 2433 2497 41.85 44.96 48.23 2422 2481 2543 44.67 47.90 51.30 2471 2529 2589 47.51 50.86 54.38 2521 2576 2634 50.38 53.83 57.47
2011220950 4800 5000 2377 2448 38.93 42.04 2401 2472 40.5243.69 2425 2495 42.1145.34 2448 2518 43.7047.00 2471 2540 45.2948.65 2517 2585 48.47 51.96 2562 2628 51.67 55.28 2606 2671 54.87 58.61 2650 2714 58.07 61.95 2694 2756 61.28 65.28
2178822626 5200 5400 2519 2591 45.32 48.78 2543 2614 47.0450.57 2565 2636 48.7652.36 2588 2658 50.4854.15 2610 2680 52.2055.94 2653 2723 55.64 59.51 2696 2764 59.09 63.08 2738 2805 62.54 66.66 2779 — 66.00 — 2820 — 69.47 —
airfoil wheelbackward inclined wheel

Arrangement #1 Arrangement #3

Arrangement #1 & #3 — SWSI — Class I & II

backward curved wheel

RPM 3

BC fan wheelTIP SPEED (FPM) = 7.854 x RPM OUTLET 5.17 Sq. Ft. Inside MAX. HP = 5.33{321/4" x 233/8" Outside (1000 )

WHEEL DIAMETER = 30" INLET 5.469 Sq. Ft. Inside MAX. RPM{ 321/4" Dia. Outside CL.1 1308

CL.2 1703

CL.3 2150

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4136 4653 5170 800 900 1000 371 402 434 0.26 0.32 0.39 401 430 460 0.34 0.41 0.49 430 456 485 0.42 0.50 0.60 460 483 508 0.51 0.60 0.70 490 509 532 0.61 0.70 0.80 520 535 556 0.71 0.80 0.91 551 562 579 0.83 0.91 1.02 617 627 — 1.16 1.26 — 677 — — 1.54 — — — — — — — —
5687 6204 6721 1100 1200 1300 467 500 533 0.47 0.57 0.67 492 524 556 0.59 0.69 0.81 515 546 577 0.70 0.81 0.94 537 566 597 0.81 0.94 1.07 558 586 616 0.92 1.06 1.21 580 606 635 1.04 1.18 1.34 601 626 653 1.15 1.31 1.47 644 665 689 1.40 1.56 1.74 688 705 725 1.67 1.83 2.02 733 745 762 1.97 2.12 2.31
7238 7755 8272 1400 1500 1600 567 601 636 0.79 0.93 1.09 589 622 656 0.94 1.09 1.25 609 642 675 1.08 1.24 1.42 628 660 692 1.23 1.40 1.58 646 678 709 1.37 1.55 1.74 664 695 726 1.51 1.70 1.91 681 711 741 1.66 1.86 2.07 715 743 772 1.95 2.16 2.40 749 775 802 2.24 2.47 2.73 783 806 831 2.54 2.79 3.06
8789 9306 9823 1700 1800 1900 670 705 740 1.26 1.45 1.67 689 723 758 1.43 1.63 1.85 708 741 775 1.61 1.82 2.05 725 758 791 1.78 2.00 2.24 742 774 807 1.96 2.19 2.44 757 789 822 2.13 2.37 2.64 772 804 836 2.30 2.56 2.83 802 832 863 2.65 2.93 3.22 830 860 890 3.00 3.29 3.61 858 886 915 3.35 3.66 4.00
10340 11374 12408 2000 2200 2400 776 846 917 1.90 2.43 3.06 792 862 933 2.10 2.66 3.31 809 877 947 2.30 2.87 3.55 824 892 960 2.51 3.10 3.79 839 906 973 2.71 3.32 4.03 854 920 987 2.92 3.55 4.28 868 933 999 3.12 3.78 4.53 895 959 1024 3.53 4.23 5.02 921 983 1047 3.94 4.68 5.52 945 1007 1070 4.35 5.13 6.01
13442 14476 15510 2600 2800 3000 988 1060 1132 3.79 4.65 5.63 1003 1074 1145 4.07 4.94 5.94 1017 1087 1157 4.34 5.24 6.26 1029 1099 1169 4.59 5.51 6.56 1042 1111 1180 4.85 5.79 6.86 1054 1122 1191 5.12 6.07 7.16 1066 1134 1202 5.38 6.36 7.46 1090 1156 1223 5.92 6.93 8.07 1112 1178 1244 6.46 7.51 8.69 1134 1199 1264 6.99 8.09 9.31
16544 17578 3200 3400 1205 1277 6.75 8.00 1216 1288 7.07 8.34 1228 1299 7.41 8.69 1240 1310 7.74 9.06 1251 1321 8.06 9.41 1261 1331 8.38 9.75 1271 1341 8.70 10.08 1291 1360 9.34 10.76 1311 1379 10.00 11.45 1330 1397 10.66 12.15
VOL. CFM VEL. FPM OUTLET 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
672172387755 1300 1400 1500 799 817 837 2.63 2.85 3.11 874 885 901 3.34 3.54 3.80 956 965 — 4.34 4.57 — 1032 — — 5.44 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
827287899306 1600 1700 1800 861 886 913 3.40 3.71 4.04 920 941 965 4.09 4.42 4.79 980 997 1017 4.85 5.18 5.56 1040 1054 1070 5.69 6.01 6.39 1103 1111 1124 6.64 6.92 7.28 1170 1178 — 7.93 8.25 — 1233 — — 9.31 — — 1290 — — 10.46 — — — — — — — — — — — — — —
9823 10340 11374 1900 2000 2200 941 969 1029 4.39 4.76 5.58 990 1017 1073 5.18 5.59 6.48 1040 1064 1117 5.98 6.42 7.39 1090 1111 1159 6.81 7.27 8.31 1140 1159 1202 7.69 8.16 9.24 1191 1206 1245 8.64 9.10 10.19 1242 1255 1288 9.67 10.11 11.19 1295 1304 1332 10.79 11.19 12.24 1348 1353 1376 11.98 12.35 13.34 1404 1420 — 13.59 14.52 —
12408 13442 14476 2400 2600 2800 1091 1154 1219 6.50 7.52 8.67 1133 1194 1257 7.488.599.81 1173 1232 1293 8.479.6510.95 1212 1269 1328 9.4610.7212.10 1252 1306 1363 10.4511.7913.25 1291 1342 1397 11.46 12.87 14.41 1330 1328 1430 12.49 13.95 15.57 1370 1415 1464 13.54 15.05 16.73 1409 1451 1498 14.64 16.17 17.90 1449 1487 1531 15.78 17.32 19.09
15510 16544 17578 3000 3200 3400 1284 1349 1415 9.93 11.32 12.86 1320 1385 1450 11.16 12.64 14.26 1355 1419 1483 12.39 13.95 15.66 1389 1451 1515 13.61 15.26 17.05 1422 1483 1545 14.84 16.57 18.44 1454 1514 1575 16.07 17.88 19.83 1486 1544 1604 17.31 19.19 21.22 1518 1574 1632 18.55 20.51 22.62 1549 1603 1660 19.79 21.83 24.02 1580 1633 1688 21.04 23.15 25.42
18612 19646 20680 3600 3800 4000 1482 1549 1617 14.54 16.38 18.40 1516 1582 1649 16.03 17.95 20.04 1548 1613 1679 17.51 19.53 21.70 1579 1643 1708 18.99 21.09 23.35 1608 1672 1736 20.46 22.65 25.00 1637 1700 1764 21.93 24.20 26.64 1665 1727 1790 23.40 25.75 28.27 1692 1753 1816 24.88 27.30 29.90 1719 1780 1841 26.35 28.86 31.54 1746 1805 1866 27.84 30.42 33.17
21714 22748 4200 4400 1685 1754 20.59 22.99 1716 1783 22.31 24.77 1745 1812 24.05 26.59 1774 1840 25.79 28.41 1801 1867 27.52 30.23 1828 1893 29.25 32.05 1854 1918 30.97 33.85 1879 1943 32.68 35.65 1903 1967 34.40 37.45 1928 1990 36.11 39.24
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
12408 13442 14476 2400 2600 2800 1490 1524 1565 16.98 18.51 20.30 1530 1561 1599 18.23 19.74 21.54 1571 1598 1633 19.55 21.02 22.81 1612 1635 1667 20.94 22.35 24.12 1654 1672 1701 22.40 23.74 25.48 1748 1771 — 26.70 28.33 — 1826 1841 — 29.92 31.41 — 1912 — — 34.71 — — 1984 — — 38.25 — — — — — — — —
15510 16544 17578 3000 3200 3400 1612 1663 1716 22.30 24.48 26.82 1643 1692 1744 23.58 25.82 28.23 1675 1721 1772 24.87 27.16 29.64 1706 1751 1800 26.20 28.52 31.06 1738 1780 1827 27.55 29.90 32.49 1802 1840 1883 30.36 32.74 35.40 1866 1899 1938 33.35 35.69 38.38 1931 1959 1994 36.53 38.80 41.48 1997 2020 2051 39.91 42.09 44.71 2063 2081 2107 43.52 45.56 48.10
18612 19646 20680 3600 3800 4000 1773 1831 1890 29.32 31.98 34.81 1799 1856 1915 30.80 33.54 36.46 1825 1881 1939 32.29 35.11 38.10 1852 1906 1963 33.78 36.68 39.75 1878 1931 1987 35.28 38.25 41.40 1930 1981 2034 38.30 41.40 44.70 1982 2030 2081 41.36 44.58 48.02 2035 2080 2128 44.50 47.81 51.37 2088 2130 2175 47.73 51.10 54.75 2141 2179 2223 51.09 54.47 58.19
21714 22748 23782 4200 4400 4600 1951 2013 2076 37.83 41.04 44.45 1975 2036 2098 39.55 42.84 46.33 1998 2059 2120 41.28 44.64 48.21 2021 2081 2142 43.00 46.45 50.09 2044 2103 2163 44.73 48.25 51.98 2089 2147 2205 48.19 51.87 55.75 2134 2190 2247 51.66 55.50 59.54 2179 2233 2289 55.15 59.14 63.33 2224 2276 2330 58.65 62.79 67.13 2269 2319 2371 62.19 66.45 70.94
24816 25850 4800 5000 2139 2203 48.07 51.90 2161 2224 50.03 53.94 2182 2245 51.99 55.98 2203 2266 53.95 58.02 2224 2286 55.91 60.06 2265 2326 59.84 64.15 2306 2365 63.79 68.25 2346 2404 67.74 72.36 2385 2443 71.69 76.48 2425 2481 75.66 80.60
26884 27918 5200 5400 2267 2332 55.95 60.22 2288 2353 58.07 62.44 2309 2373 60.20 64.65 2329 2393 62.32 66.85 2349 2412 64.44 69.06 2388 2450 68.69 73.47 2426 2488 72.95 77.88 2464 2525 77.21 82.30 2501 — 81.48 — 2538 — 85.76 —
airfoil fan

Arrangement #1 & #3 — SWSI — Class I & II

acoustafoil fan wheel

RPM 3

acoustafoil fan industrialTIP SPEED (FPM) = 8.639 x RPM OUTLET 6.26 Sq. Ft. Inside MAX. HP = 8.59{353/8" x 257/8" Outside (1000 )

WHEEL DIAMETER = 33" INLET 6.618 Sq. Ft. Inside MAX. RPM{ 353/8" Dia. Outside CL.1 1189

CL.2 1548

CL.3 1955

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
5008 5634 6260 800 900 1000 337 365 395 0.31 0.39 0.47 364 391 418 0.41 0.50 0.60 391 415 441 0.51 0.61 0.72 418 439 462 0.62 0.72 0.85 445 462 484 0.73 0.84 0.97 473 487 505 0.86 0.97 1.10 501 511 527 1.00 1.10 1.23 561 570 — 1.41 1.53 — 615 — — 1.87 — — — — — — — —
688675128138 1100 1200 1300 424 454 485 0.57 0.68 0.81 447 476 506 0.71 0.83 0.98 468 496 525 0.84 0.98 1.14 488 515 543 0.98 1.13 1.30 508 533 560 1.12 1.28 1.46 527 551 577 1.26 1.43 1.62 546 569 593 1.40 1.58 1.78 586 605 626 1.69 1.89 2.11 625 641 659 2.02 2.21 2.45 666 677 693 2.38 2.57 2.80
8764 9390 10016 1400 1500 1600 515 546 578 0.96 1.13 1.32 535 566 596 1.14 1.31 1.51 554 583 613 1.31 1.50 1.71 571 600 630 1.48 1.69 1.91 588 616 645 1.66 1.87 2.11 604 631 660 1.83 2.06 2.31 619 646 674 2.00 2.24 2.51 650 675 702 2.35 2.62 2.90 681 704 729 2.71 2.99 3.30 711 733 756 3.07 3.37 3.70
10642 11268 11894 1700 1800 1900 609 641 673 1.53 1.76 2.02 627 658 689 1.73 1.98 2.24 643 674 704 1.94 2.20 2.48 659 689 719 2.16 2.42 2.72 674 704 733 2.37 2.65 2.95 688 718 747 2.58 2.87 3.19 702 731 760 2.79 3.09 3.43 729 757 785 3.21 3.54 3.89 755 781 809 3.63 3.99 4.36 780 806 832 4.06 4.43 4.84
12520 13772 15024 2000 2200 2400 705 769 834 2.30 2.94 3.70 720 784 848 2.54 3.21 4.01 735 797 861 2.78 3.48 4.30 749 811 873 3.03 3.75 4.58 763 824 885 3.28 4.02 4.88 776 836 897 3.53 4.30 5.18 789 849 909 3.78 4.57 5.48 814 872 931 4.28 5.12 6.08 837 894 952 4.77 5.66 6.68 859 915 972 5.27 6.21 7.27
1627617528 18780 2600 2800 3000 898 964 1029 4.59 5.63 6.82 912 976 1041 4.93 5.98 7.18 924 988 1052 5.25 6.34 7.57 936 999 1063 5.56 6.67 7.94 947 1010 1073 5.87 7.01 8.30 958 1020 1083 6.19 7.35 8.66 969 1031 1093 6.51 7.69 9.02 991 1051 1112 7.17 8.39 9.76 1011 1071 1131 7.829.09 10.51 1031 1090 1149 8.46 9.79 11.27
2003221284 3200 3400 1095 1161 8.17 9.68 1105 1171 8.5510.10 1116 1181 8.9610.52 1127 1191 9.37 10.96 1137 1201 9.76 11.39 1146 1210 10.1411.80 1156 1219 10.5212.20 1174 1236 11.30 13.02 1192 1253 12.1013.85 1209 1270 12.90 14.70
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
813887649390 1300 1400 1500 726 742 761 3.18 3.45 3.76 795 805 819 4.04 4.29 4.59 869 878 — 5.25 5.52 — 938 — — 6.58 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
100161064211268 1600 1700 1800 782 805 830 4.11 4.48 4.88 836 856 877 4.95 5.35 5.79 891 907 925 5.87 6.27 6.73 946 958 973 6.89 7.27 7.73 1002 1010 1022 8.03 8.38 8.81 1063 1071 — 9.59 9.98 — 1121 — — 11.27 — — 1173 — — 12.66 — — — — — — — — — — — — — —
11894 12520 13772 1900 2000 2200 855 881 936 5.31 5.76 6.75 900 925 976 6.26 6.76 7.85 945 967 1015 7.23 7.77 8.94 991 1010 1054 8.24 8.80 10.05 1036 1053 1093 9.31 9.88 11.18 1082 1097 1132 10.46 11.0212.33 1129 1141 1171 11.70 12.2313.54 1177 1185 1211 13.05 13.54 14.81 1225 1230 1251 14.50 14.9516.15 1276 1291 — 16.45 17.57 —
15024 16276 17528 2400 2600 2800 992 1049 1108 7.869.10 10.49 1030 1085 1142 9.0510.39 11.87 1066 1120 1175 10.2511.68 13.26 1102 1154 1207 11.44 12.97 14.64 1138 1187 1239 12.6514.27 16.04 1174 1220 1270 13.87 15.57 17.43 1209 1253 1300 15.11 16.88 18.83 1245 1286 1331 16.38 18.21 20.24 1281 1319 1362 17.71 19.57 21.66 1318 1352 1392 19.09 20.96 23.10
18780 20032 21284 3000 3200 3400 1167 1226 1287 12.02 13.70 15.56 1200 1259 1318 13.50 15.30 17.26 1232 1290 1348 14.99 16.88 18.95 1263 1319 1377 16.47 18.46 20.63 1293 1348 1405 17.96 20.04 22.31 1322 1376 1431 19.45 21.63 23.99 1351 1403 1458 20.95 23.22 25.68 1380 1431 1484 22.44 24.82 27.37 1408 1458 1509 23.95 26.41 29.06 1437 1485 1535 25.46 28.02 30.75
22536 23788 25040 3600 3800 4000 1347 1408 1470 17.59 19.82 22.26 1378 1438 1499 19.40 21.72 24.25 1407 1467 1526 21.19 23.63 26.26 1435 1494 1553 22.98 25.52 28.26 1462 1520 1579 24.76 27.40 30.25 1488 1545 1603 26.54 29.28 32.23 1513 1570 1627 28.32 31.16 34.21 1538 1594 1651 30.10 33.04 36.18 1563 1618 1674 31.89 34.92 38.16 1587 1641 1696 33.68 36.81 40.14
26292 27544 4200 4400 1532 1595 24.92 27.82 1560 1621 27.00 29.97 1587 1647 29.10 32.17 1613 1673 31.21 34.38 1638 1697 33.30 36.58 1662 1721 35.39 38.77 1685 1744 37.47 40.96 1708 1766 39.55 43.14 1730 1788 41.62 45.31 1752 1809 43.70 47.78
VOL. CFM VEL. FPM OUTLET 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
15024 16276 17528 2400 2600 2800 1354 1385 1423 20.54 22.39 24.56 1391 1419 1454 22.06 23.88 26.06 1428 1452 1485 23.66 25.43 27.60 1466 1486 1516 25.34 27.04 29.18 1504 1520 1547 27.10 28.73 30.82 1590 1610 — 32.31 34.28 — 1660 1673 — 36.20 38.00 — 1738 — — 42.00 — — 1803 — — 46.28 — — — — — — — —
18780 20032 21284 3000 3200 3400 1465 1511 1560 26.99 29.62 32.45 1494 1538 1586 28.5331.24 34.16 1523 1565 1611 30.1032.87 35.87 1551 1592 1636 31.70 34.51 37.58 1580 1619 1661 33.33 36.18 39.31 1638 1672 1712 36.74 39.61 42.83 1696 1727 1762 40.35 43.19 46.44 1755 1781 1813 44.20 46.95 50.19 1815 1836 1864 48.29 50.92 54.10 1876 1892 1916 52.66 55.12 58.20
22536 23788 25040 3600 3800 4000 1611 1664 1719 35.47 38.70 42.12 1635 1687 1741 37.27 40.59 44.11 1659 1710 1763 39.07 42.48 46.10 1683 1733 1784 40.88 44.38 48.10 1707 1755 1806 42.69 46.28 50.09 1755 1801 1849 46.34 50.10 54.09 1802 1846 1892 50.05 53.95 58.11 1850 1891 1935 53.84 57.85 62.15 1898 1936 1978 57.76 61.83 66.25 1946 1981 2020 61.82 65.91 70.41
26292 27544 28796 4200 4400 4600 1774 1830 1887 45.78 49.66 53.78 1795 1851 1907 47.86 51.84 56.06 1816 1871 1927 49.94 54.02 58.33 1837 1892 1947 52.03 56.20 60.61 1858 1912 1966 54.12 58.39 62.89 1899 1951 2005 58.31 62.77 67.46 1940 1991 2043 62.51 67.16 72.04 1981 2030 2081 66.73 71.56 76.63 2022 2069 2118 70.97 75.97 81.23 2063 2108 2155 75.25 80.41 85.84
30048 31300 4800 5000 1945 2003 58.16 62.79 1964 2022 60.53 65.27 1984 2041 62.90 67.74 2003 2060 65.28 70.21 2022 2078 67.65 72.68 2059 2115 72.41 77.63 2096 2150 77.18 82.59 2132 2186 81.96 87.56 2169 2221 86.75 92.54 2204 2255 91.55 97.52
32552 33804 5200 5400 2061 2120 67.69 72.87 2080 2139 70.27 75.55 2099 2157 72.84 78.22 2117 2175 75.41 80.89 2135 2193 77.98 83.56 2171 2228 83.12 88.90 2206 2262 88.27 94.24 2240 2295 93.43 99.58 2274 — 98.60 — 2307 — 103.77 —
square centrifugal fan

Arrangement #1 & #3 — SWSI — Class I & II

double width fan

RPM 3

double width double-inlet fanTIP SPEED (FPM) = 9.566 x RPM OUTLET 7.66 Sq. Ft. Inside MAX. HP = 13.01{391/4" x 281/2" Outside (1000 )

WHEEL DIAMETER = 361/2" INLET 8.11 Sq. Ft. Inside MAX. RPM{ 39" Dia. Outside CL.1 1098

CL.2 1431

CL.3 1802

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
6128 6894 7660 800 900 1000 311 336 362 0.37 0.45 0.54 338 362 386 0.49 0.59 0.70 362 385 408 0.62 0.73 0.86 385 406 428 0.74 0.87 1.01 408 427 448 0.88 1.01 1.16 447 466 — 1.16 1.32 — 467 485 — 1.31 1.48 — 522 — — 1.82 — — — — — — — — — — — — — —
8426 9192 9958 1100 1200 1300 388 415 442 0.65 0.78 0.93 411 436 462 0.83 0.96 1.12 432 457 482 1.00 1.15 1.32 452 476 501 1.17 1.34 1.53 470 494 518 1.34 1.53 1.74 488 511 534 1.51 1.71 1.94 505 527 550 1.68 1.90 2.14 539 558 580 2.03 2.27 2.53 572 589 609 2.41 2.65 2.93 620 637 — 3.06 3.36 —
10724 11490 12256 1400 1500 1600 470 499 527 1.10 1.29 1.50 489 516 544 1.29 1.49 1.72 508 534 560 1.51 1.72 1.95 526 551 577 1.73 1.95 2.20 543 567 593 1.96 2.19 2.45 559 583 608 2.18 2.43 2.71 574 598 622 2.40 2.67 2.96 603 626 650 2.82 3.13 3.47 630 652 676 3.25 3.59 3.96 657 678 700 3.68 4.05 4.44
13022 13788 14554 1700 1800 1900 556 585 614 1.74 2.01 2.30 572 600 629 1.97 2.26 2.57 587 615 642 2.21 2.50 2.82 603 629 656 2.47 2.76 3.09 618 644 670 2.73 3.04 3.37 633 658 684 3.00 3.32 3.67 647 672 698 3.27 3.61 3.97 674 699 723 3.81 4.18 4.57 699 723 748 4.34 4.75 5.18 723 747 771 4.86 5.31 5.77
15320 16852 18384 2000 2200 2400 643 701 760 2.61 3.34 4.22 658 715 773 2.90 3.67 4.56 671 728 785 3.17 3.98 4.91 684 740 797 3.45 4.27 5.24 697 751 807 3.74 4.57 5.56 710 763 818 4.04 4.89 5.89 723 775 829 4.35 5.22 6.23 748 799 851 4.99 5.90 6.95 772 822 873 5.63 6.60 7.70 795 844 894 6.26 7.31 8.47
19916 21448 22980 2600 2800 3000 820 880 939 5.27 6.46 7.78 831 890 949 5.59 6.80 8.21 843 900 958 5.98 7.20 8.59 854 912 969 6.36 7.62 9.04 864 922 979 6.71 8.02 9.49 874 931 989 7.06 8.39 9.91 884 940 997 7.41 8.77 10.31 904 959 1015 8.16 9.54 11.12 925 978 1032 8.95 10.36 11.96 945 997 1050 9.76 11.21 12.84
24512 26044 3200 3400 998 1060 9.3011.11 1009 1069 9.81 11.59 1017 1077 10.18 12.00 1027 1085 10.64 12.43 1037 1094 11.1212.94 1046 1104 11.59 13.46 1055 1112 12.04 13.95 1071 1128 12.90 14.88 1087 1143 13.7715.79 1104 1159 14.67 16.73
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
9958 10724 11490 1300 1400 1500 665 683 703 3.80 4.14 4.51 736 752 — 5.10 5.50 — 801 — — 6.54 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
12256 13022 13788 1600 1700 1800 724 746 769 4.93 5.38 5.85 770 790 812 5.94 6.42 6.95 816 834 853 7.02 7.52 8.07 877 894 — 8.68 9.26 — 935 — — 10.50 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
14554 15320 16852 1900 2000 2200 792 816 865 6.36 6.88 8.01 834 857 904 7.51 8.10 9.38 874 895 941 8.67 9.32 10.72 913 933 976 9.88 10.56 12.05 951 970 1010 11.15 11.85 13.40 990 1006 1044 12.46 13.19 14.79 1043 1077 — 14.57 16.23 — 1111 — — 17.72 — — 1144 — — 19.24 — — 1178 — — 20.78 — —
18384 19916 21448 2400 2600 2800 914 964 1015 9.23 10.58 12.08 952 1002 1051 10.76 12.25 13.87 988 1036 1085 12.25 13.90 15.66 1022 1069 1117 13.71 15.51 17.43 1054 1100 1148 15.17 17.10 19.17 1086 1130 1177 16.63 18.67 20.88 1117 1160 1205 18.12 20.25 22.58 1148 1189 1233 19.66 21.84 24.27 1178 1217 1260 21.24 23.47 25.98 1209 1246 1287 22.86 25.14 27.71
22980 24512 26044 3000 3200 3400 1067 1120 1174 13.75 15.62 17.70 1102 1153 1205 15.64 17.58 19.73 1135 1185 1236 17.56 19.61 21.85 1166 1216 1266 19.47 21.66 24.02 1196 1245 1294 21.37 23.71 26.20 1225 1273 1322 23.23 25.73 28.37 1252 1300 1348 25.08 27.72 30.52 1279 1326 1374 26.90 29.69 32.64 1305 1351 1399 28.71 31.64 34.74 1330 1376 1423 30.53 33.58 36.82
27576 29108 30640 3600 3800 4000 1229 1285 1341 20.01 22.57 25.39 1258 1312 1367 22.10 24.71 27.58 1288 1340 1394 24.30 26.98 29.90 1316 1368 1420 26.56 29.32 32.32 1344 1395 1446 28.86 31.73 34.82 1371 1421 1472 31.17 34.15 37.35 1397 1447 1497 33.47 36.59 39.91 1422 1472 1521 35.75 39.02 42.47 1447 1495 1545 38.00 41.43 45.03 1470 1519 1568 40.24 43.82 47.57
32172 33704 4200 4400 1398 1456 28.47 31.81 1423 1479 30.73 34.17 1448 1503 33.10 36.59 1473 1527 35.58 39.13 1498 1551 38.15 41.76 1523 1575 40.78 44.47 1547 1598 43.44 47.23 1571 ` 1622 46.13 50.02 1594 1644 48.82 52.83 1617 1666 51.51 55.65
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
18384 19916 21448 2400 2600 2800 1240 1274 1313 24.51 26.8529.47 1270 1302 1340 26.19 28.6031.26 1331 1366 — 30.39 33.10 — 1359 1392 — 32.19 34.97— 1388 1418 — 34.02 36.88— 1471 — — 40.77 — — — — — — — — — — — — — — — — — — — — — — — — — —
22980 24512 26044 3000 3200 3400 1356 1400 1446 32.3635.5238.89 1381 1424 1469 34.2237.4640.95 1405 1448 1492 36.11 39.42 43.00 1430 1471 1515 38.0341.4045.07 1454 1494 1537 39.9843.40 47.15 1503 1540 1581 44.00 47.52 51.37 1552 1586 1624 48.13 51.77 55.72 1602 1632 1667 52.34 56.13 60.19 1678 1711 — 60.58 64.77 — 1754 — — 69.46 — —
27576 29108 30640 3600 3800 4000 1493 1541 1590 42.4546.1850.09 1516 1563 1612 44.6448.5352.59 1538 1585 1633 46.83 50.86 55.07 1560 1606 1654 49.0153.1757.54 1581 1627 1674 51.1855.4759.98 1623 1668 1714 55.57 60.07 64.83 1665 1708 1753 60.03 64.69 69.67 1706 1747 1791 64.60 69.39 74.53 1747 1786 1828 69.28 74.17 79.45 1788 1825 1866 74.08 79.07 84.46
32172 33704 35236 4200 4400 4600 1639 1688 1738 54.1858.4762.98 1660 1709 1759 56.8461.2765.92 1681 1730 1779 59.48 64.07 68.86 1701 1750 1799 62.0966.8471.78 1722 1770 1818 64.6969.5974.69 1761 1808 1856 69.83 75.04 80.45 1799 1845 1893 74.93 80.42 86.14 1836 1882 1928 80.01 85.76 91.77 1872 1917 1963 85.10 91.08 97.35 1908 1952 1997 90.25 96.42 102.91
36768 38300 4800 5000 1788 1839 67.7372.75 1808 1859 70.8075.94 1829 1878 73.88 79.14 1848 1898 76.9582.35 1867 1917 80.0085.55 1905 1954 86.08 91.92 1941 1989 92.08 98.23 1976 2024 98.01 104.47 2010 2058 103.88 110.65 2043 — 109.71 —
39832 41364 5200 5400 1890 1941 78.0683.69 1909 1960 81.3687.09 1929 1979 84.68 90.51 1948 1998 88.0193.95 1967 2017 91.3497.41 2003 2053 97.99 104.32 2038 2088 104.61 111.23 2072 — 111.16 — — — — — — — — —
centrifugal utility fan acoustafoil fan balde

Arrangement #1 & #3 — SWSI — Class I & II

industrial belt driven fan

RPM 3

BI fan impellerTIP SPEED (FPM) = 10.54 x RPM OUTLET 9.31 Sq. Ft. Inside MAX. HP = 21.01{431/4" x 315/8" Outside (1000 )

WHEEL DIAMETER = 401/4" INLET 9.85 Sq. Ft. Inside MAX. RPM{ 43" Dia. Outside CL.1 996

CL.2 1297

CL.3 1634

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
7448 8379 9310 800 900 1000 282 305 328 0.45 0.55 0.66 306 328 350 0.60 0.72 0.86 328 349 370 0.75 0.89 1.05 349 368 389 0.90 1.06 1.23 370 387 406 1.07 1.23 1.42 405 423 — 1.41 1.60 — 424 440 — 1.60 1.80 — 473 — — 2.21 — — — — — — — — — — — — — —
10241 11172 12103 1100 1200 1300 352 376 401 0.79 0.95 1.13 373 396 419 1.00 1.17 1.36 392 415 437 1.22 1.40 1.61 410 432 454 1.43 1.64 1.86 427 448 470 1.63 1.86 2.11 443 463 485 1.83 2.08 2.36 458 478 499 2.04 2.31 2.60 488 506 526 2.47 2.75 3.08 519 534 552 2.92 3.23 3.57 562 578 — 3.73 4.08 —
13034 13965 14896 1400 1500 1600 426 452 478 1.33 1.57 1.83 443 468 493 1.57 1.82 2.09 460 484 508 1.84 2.09 2.37 477 500 523 2.11 2.38 2.67 492 515 537 2.38 2.67 2.98 507 529 551 2.65 2.96 3.29 520 542 564 2.91 3.25 3.60 546 568 589 3.43 3.81 4.21 571 592 613 3.95 4.36 4.81 595 615 635 4.48 4.92 5.40
15827 16758 17689 1700 1800 1900 504 530 556 2.12 2.44 2.79 518 544 570 2.40 2.74 3.12 532 557 583 2.69 3.04 3.43 546 571 595 3.00 3.36 3.76 560 584 608 3.32 3.69 4.10 574 597 620 3.65 4.04 4.46 587 610 633 3.98 4.39 4.82 611 634 656 4.64 5.09 5.56 634 656 678 5.28 5.78 6.30 656 677 699 5.91 6.45 7.02
18620 20482 22344 2000 2200 2400 583 636 689 3.17 4.06 5.14 596 648 701 3.53 4.46 5.54 608 660 712 3.86 4.84 5.97 620 671 722 4.19 5.19 6.37 632 681 732 4.55 5.56 6.76 644 692 742 4.91 5.95 7.16 656 703 752 5.29 6.35 7.58 679 725 772 6.07 7.18 8.45 700 746 792 6.84 8.03 9.37 721 765 811 7.61 8.89 10.29
24206 26068 27930 2600 2800 3000 744 798 851 6.41 7.85 9.47 753 807 861 6.80 8.27 9.98 764 817 869 7.27 8.75 10.44 775 827 879 7.73 9.27 10.99 784 836 888 8.16 9.75 11.54 793 844 896 8.58 10.21 12.05 802 853 904 9.01 10.66 12.54 820 870 920 9.92 11.60 13.52 839 887 936 10.88 12.59 14.54 857 904 952 11.87 13.63 15.61
29792 31654 3200 3400 905 961 11.31 13.51 915 969 11.93 14.10 922 977 12.38 14.59 931 984 12.93 15.12 940 992 13.53 15.74 949 1001 14.10 16.37 957 1009 14.64 16.97 971 1023 15.68 18.10 986 1037 16.74 19.20 1001 1051 17.84 20.34
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
12103 13034 13965 1300 1400 1500 603 619 637 4.62 5.03 5.49 667 682 — 6.20 6.69 — 726 — — 7.96 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
14896 15827 16758 1600 1700 1800 656 677 697 5.99 6.54 7.12 698 717 736 7.22 7.81 8.45 740 756 774 8.53 9.15 9.82 795 811 — 10.56 11.26 — 848 — — 12.76 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
17689 18620 20482 1900 2000 2200 719 740 784 7.73 8.37 9.74 756 777 820 9.13 9.85 11.41 792 812 853 10.55 11.33 13.04 828 846 885 12.02 12.84 14.66 863 879 916 13.56 14.41 16.30 898 913 947 15.15 16.04 17.99 946 977 — 17.72 19.74 — 1007 — — 21.55 — — 1038 — — 23.40 — — 1068 — — 25.27 — —
22344 24206 26068 2400 2600 2800 829 875 921 11.23 12.87 14.69 864 908 953 13.08 14.90 16.86 896 940 984 14.90 16.90 19.04 927 969 1013 16.68 18.86 21.19 956 998 1041 18.44 20.79 23.31 985 1025 1067 20.22 22.70 25.39 1013 1052 1093 22.04 24.62 27.45 1041 1078 1118 23.90 26.56 29.51 1068 1104 1143 25.82 28.55 31.59 1096 1130 1167 27.79 30.58 33.69
27930 29792 31654 3000 3200 3400 968 1016 1065 16.72 18.99 21.52 999 1046 1093 19.02 21.38 23.99 1029 1075 1121 21.35 23.85 26.57 1058 1102 1148 23.68 26.34 29.21 1085 1129 1174 25.98 28.83 31.85 1110 1154 1199 28.25 31.29 34.49 1135 1179 1223 30.49 33.71 37.11 1160 1202 1246 32.71 36.11 39.70 1183 1225 1268 34.92 38.48 42.25 1206 1248 1290 37.13 40.84 44.78
33516 35378 37240 3600 3800 4000 1115 1165 1216 24.33 27.44 30.87 1141 1190 1240 26.87 30.05 33.54 1168 1215 1264 29.55 32.80 36.36 1194 1240 1288 32.30 35.66 39.31 1219 1265 1311 35.10 38.58 42.34 1244 1289 1335 37.90 41.53 45.42 1267 1312 1357 40.70 44.49 48.53 1290 1334 1379 43.47 47.44 51.64 1312 1356 1401 46.21 50.38 54.75 1333 1377 1422 48.93 53.28 57.84
39102 40964 4200 4400 1268 1320 34.62 38.69 1290 1341 37.37 41.55 1313 1363 40.25 44.50 1336 1384 43.27 47.58 1359 1406 46.39 50.78 1381 1428 49.59 54.07 1403 1449 52.83 57.43 1425 1471 56.09 60.83 1446 1491 59.37 64.25 1466 1511 62.63 67.67
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
22344 24206 26068 2400 2600 2800 1124 1155 1191 29.81 32.66 35.83 1152 1181 1215 31.85 34.78 38.02 1207 1239 — 36.95 40.25 — 1232 1262 — 39.15 42.53 — 1258 1286 — 41.37 44.85 — 1334 — — 49.57 — — — — — — — — — — — — — — — — — — — — — — — — — —
27930 29792 31654 3000 3200 3400 1229 1270 1312 39.35 43.19 47.29 1252 1291 1332 41.61 45.55 49.79 1274 1313 1353 43.91 47.93 52.29 1297 1334 1373 46.24 50.34 54.81 1319 1355 1394 48.62 52.78 57.33 1363 1397 1433 53.51 57.78 62.47 1408 1439 1473 58.53 62.95 67.75 1453 1480 1512 63.64 68.26 73.19 1522 1551 — 73.67 78.77 — 1590 — — 84.86 — —
33516 35378 37240 3600 3800 4000 1354 1398 1442 51.62 56.16 60.91 1375 1418 1461 54.29 59.01 63.96 1395 1437 1481 56.94 61.84 66.97 1414 1457 1499 59.59 64.66 69.97 1434 1475 1518 62.24 67.46 72.94 1472 1513 1554 67.57 73.05 78.84 1510 1549 1589 73.00 78.67 84.72 1547 1585 1624 78.55 84.38 90.64 1584 1620 1658 84.25 90.19 96.62 1621 1655 1692 90.09 96.15 102.70
39102 40964 42826 4200 4400 4600 1486 1531 1576 65.89 71.10 76.58 1505 1550 1595 69.12 74.51 80.16 1524 1569 1613 72.32 77.91 83.74 1543 1587 1631 75.51 81.28 87.29 1561 1605 1649 78.66 84.63 90.83 1597 1640 1683 84.92 91.25 97.84 1631 1673 1717 91.11 97.80 104.75 1665 1706 1749 97.29 104.29 111.59 1698 1738 1780 103.49 110.76 118.38 1730 1770 1811 109.75 117.25 125.15
44688 46550 4800 5000 1621 1667 82.36 88.47 1640 1686 86.10 92.35 1658 1703 89.84 96.24 1676 1721 93.57 100.14 1693 1738 97.29 104.03 1727 1772 104.67 111.77 1760 1804 111.97 119.45 1792 1835 119.18 127.04 1823 1866 126.32 134.55 1853 1896 133.41 141.99
48412 50274 5200 5400 1714 1760 94.93 101.77 1731 1778 98.94 105.90 1749 1795 102.97 110.06 1766 1812 107.02 114.25 1783 1829 111.07 118.45 1816 1861 119.16 126.86 1848 1893 127.20 135.26 1879 — 135.18 — — — — — — — — —
direct drive BI fanBC fan impeller wheel

Arrangement #1 Arrangement #3

Arrangement #1 & #3 — SWSI — Class I & II

DWDI industrial fan

RPM 3

Airfoil utility fan setTIP SPEED (FPM) = 11.65 x RPM OUTLET 11.39 Sq. Ft. Inside MAX. HP = 35.04{473/4" x 35" Outside (1000 )

WHEEL DIAMETER = 441/2" INLET 12.05 Sq. Ft. Inside MAX. RPM{ 471/2" Dia. Outside CL.1 901

CL.2 1173

CL.3 1480

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
9112 10251 11390 800 900 1000 255 276 297 0.55 0.67 0.81 277 297 317 0.73 0.88 1.05 297 315 335 0.92 1.09 1.28 316 333 351 1.10 1.29 1.51 335 350 367 1.30 1.50 1.73 367 383 — 1.72 1.96 — 383 398 — 1.95 2.20 — 428 — — 2.71 — — — — — — — — — — — — — —
12529 13668 14807 1100 1200 1300 318 340 363 0.97 1.16 1.38 337 358 379 1.23 1.43 1.66 355 375 396 1.49 1.72 1.97 371 391 411 1.74 2.00 2.28 386 405 425 1.99 2.28 2.58 400 419 438 2.24 2.55 2.88 414 432 451 2.49 2.82 3.18 442 458 476 3.02 3.37 3.76 469 483 499 3.57 3.95 4.36 508 523 — 4.55 4.99 —
15946 17085 18224 1400 1500 1600 386 409 433 1.63 1.92 2.24 401 423 446 1.92 2.22 2.56 416 438 459 2.24 2.56 2.90 431 452 473 2.58 2.91 3.27 445 465 486 2.91 3.26 3.64 458 478 499 3.24 3.62 4.02 471 490 511 3.56 3.97 4.40 494 513 533 4.19 4.66 5.15 517 535 554 4.83 5.33 5.88 539 556 574 5.47 6.01 6.60
19363 20502 21641 1700 1800 1900 456 480 503 2.59 2.98 3.41 469 492 516 2.93 3.35 3.81 482 504 527 3.29 3.72 4.19 494 516 538 3.67 4.11 4.59 507 528 550 4.06 4.51 5.01 519 540 561 4.46 4.94 5.45 531 551 572 4.87 5.36 5.89 553 573 593 5.67 6.22 6.80 574 593 613 6.46 7.06 7.70 593 612 632 7.23 7.89 8.58
22780 25058 27336 2000 2200 2400 527 575 624 3.88 4.96 6.28 539 587 634 4.32 5.45 6.77 550 597 644 4.72 5.91 7.30 561 607 653 5.13 6.35 7.79 572 616 662 5.56 6.80 8.27 582 626 671 6.01 7.27 8.76 593 636 680 6.47 7.76 9.27 614 656 698 7.41 8.77 10.33 633 674 716 8.37 9.82 11.45 652 692 733 9.31 10.86 12.58
29614 31892 34170 2600 2800 3000 673 722 770 7.83 9.60 11.57 681 730 779 8.31 10.10 12.20 691 739 786 8.89 10.70 12.76 701 748 795 9.45 11.33 13.44 709 756 803 9.97 11.92 14.10 717 764 811 10.49 12.48 14.72 725 771 818 11.02 13.03 15.32 742 787 832 12.13 14.18 16.52 758 802 846 13.30 15.39 17.77 775 817 861 14.50 16.66 19.08
36448 38726 3200 3400 819 869 13.83 16.52 828 877 14.59 17.23 834 883 15.13 17.84 842 890 15.81 18.48 850 898 16.53 19.24 858 905 17.23 20.00 865 912 17.89 20.74 879 925 19.17 22.12 892 938 20.46 23.47 905 950 21.81 24.86
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
14807 15946 17085 1300 1400 1500 546 560 576 5.65 6.15 6.71 603 617 — 7.57 8.18 — 657 — — 9.72 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
18224 19363 20502 1600 1700 1800 594 612 631 7.32 7.99 8.70 632 648 666 8.83 9.55 10.32 669 684 700 10.43 11.18 12.00 719 733 — 12.91 13.76 — 767 — — 15.60 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
21641 22780 25058 1900 2000 2200 650 670 709 9.45 10.23 11.90 684 703 742 11.16 12.05 13.94 717 734 772 12.89 13.85 15.93 749 765 800 14.69 15.69 17.91 780 795 829 16.57 17.61 19.92 812 825 856 18.52 19.60 21.99 856 884 — 21.66 24.13 — 911 — — 26.34 — — 938 — — 28.60 — — 966 — — 30.89 — —
27336 29614 31892 2400 2600 2800 750 791 833 13.73 15.73 17.96 781 821 862 15.99 18.21 20.61 810 850 890 18.21 20.65 23.27 838 877 916 20.38 23.05 25.90 865 902 941 22.54 25.41 28.49 891 927 965 24.72 27.75 31.04 916 951 989 26.94 30.10 33.56 941 975 1011 29.22 32.47 36.08 966 999 1033 31.56 34.89 38.61 992 1022 1055 33.97 37.37 41.18
34170 36448 38726 3000 3200 3400 875 919 963 20.44 23.21 26.30 904 946 989 23.24 26.14 29.33 931 972 1014 26.10 29.15 32.48 957 997 1038 28.94 32.20 35.70 981 1021 1062 31.76 35.24 38.94 1004 1044 1084 34.54 38.24 42.16 1027 1066 1106 37.27 41.21 45.36 1049 1088 1127 39.98 44.14 48.52 1070 1108 1147 42.68 47.03 51.64 1091 1129 1167 45.38 49.92 54.74
41004 43282 45560 3600 3800 4000 1008 1054 1100 29.74 33.55 37.73 1032 1076 1121 32.85 36.73 41.00 1056 1099 1143 36.12 40.10 44.45 1080 1122 1165 39.48 43.59 48.05 1103 1144 1186 42.90 47.16 51.75 1125 1166 1207 46.33 50.77 55.52 1146 1187 1228 49.74 54.38 59.32 1167 1207 1248 53.13 57.99 63.12 1187 1227 1267 56.49 61.58 66.93 1206 1246 1286 59.81 65.13 70.71
47838 50116 4200 4400 1147 1194 42.32 47.29 1167 1213 45.68 50.79 1187 1233 49.20 54.39 1208 1252 52.89 58.16 1229 1272 56.71 62.07 1249 1292 60.61 66.10 1269 1311 64.57 70.20 1289 1330 68.57 74.35 1308 1349 72.57 78.53 1326 1367 76.56 82.72
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2733629614 31892 2400 2600 2800 1017 1045 1077 36.43 39.92 43.80 1042 1068 1099 38.93 42.52 46.47 — 1091 1120 — 45.17 49.20 — 1115 1142 — 47.85 51.98 — 1138 1163 — 50.57 54.82 — — 1207 — — 60.60 — — — — — — — — — — — — — — — — — — — — — — — —
34170 36448 38726 3000 3200 3400 1112 1148 1186 48.10 52.79 57.81 1132 1168 1205 50.86 55.68 60.86 1153 1187 1224 53.67 58.59 63.92 1173 1207 1242 56.62 61.53 66.99 1193 1226 1260 59.43 64.52 70.08 1233 1263 1297 65.40 70.63 76.36 1273 1301 1332 71.54 76.94 82.82 1314 1339 1368 77.79 83.43 89.46 — 1377 1403 — 90.04 96.28 — — 1439 — — 103.24
41004 43282 45560 3600 3800 4000 1225 1264 1304 63.10 68.65 74.46 1243 1282 1322 66.36 72.14 78.18 1262 1300 1339 69.60 75.59 81.86 1279 1317 1356 72.84 79.03 85.52 2197 1335 1373 76.08 82.45 89.15 1332 1368 1406 82.60 89.29 96.37 1366 1401 1438 89.23 96.16 103.56 1399 1433 1469 96.02 103.13 110.79 1433 1465 1500 102.98 110.25 118.10 1466 1497 1530 110.12 117.53 125.54
47838 50116 52394 4200 4400 4600 1344 1385 1425 80.53 86.91 93.61 1362 1402 1442 84.48 91.08 97.99 1379 1419 1459 88.40 95.23 102.35 1396 1435 1475 92.29 99.35 106.70 1412 1452 1491 96.15 103.44 111.02 1444 1483 1523 103.80 111.54 119.59 1475 1514 1553 111.37 119.54 128.04 1506 1543 1582 118.92 127.47 136.40 1535 1572 1610 126.50 135.38 144.70 1565 1601 1638 134.15 143.31 152.97
54672 56950 4800 5000 1467 1508 100.67 108.13 1483 1525 105.24 112.88 1500 1541 109.81 117.64 1516 1557 114.37 122.40 1532 1572 118.92 127.15 1562 1603 127.94 136.62 1592 1632 136.86 146.01 1621 1660 145.68 155.29 1649 1688 154.40 164.47 1676 1715 163.07 173.56
59228 61506 5200 5400 1550 1592 116.03 124.40 1566 1608 120.93 129.45 1582 1624 125.87 134.53 1598 1639 130.81 139.65 1613 1654 135.76 144.78 1643 1684 145.65 155.07 1672 1712 155.49 165.33 — 1700 — 165.23 — — — — — — — —

Arrangement #1 & #3 — SWSI — Class I & II

centrifugal fan wheel

RPM 3

centrifugal blower wheelTIP SPEED (FPM) = 12.83 x RPM OUTLET 13.80 Sq. Ft. Inside MAX. HP = 56.73{525/8" x 381/2" Outside (1000 )

WHEEL DIAMETER = 49" INLET 14.61 Sq. Ft. Inside MAX. RPM{ 521/4" Dia. Outside CL.1 818

CL.2 1066

CL.3 1342

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
11040 12420 13800 800 900 1000 232 250 269 0.67 0.81 0.98 252 269 288 0.89 1.07 1.27 270 286 304 1.11 1.32 1.55 287 302 319 1.34 1.56 1.83 304 318 333 1.58 1.82 2.10 333 347 — 2.09 2.38 — 348 361 — 2.36 2.67 — 389 — — 3.28 — — — — — — — — — — — — — —
15180 16560 17940 1100 1200 1300 289 309 329 1.18 1.40 1.67 306 325 344 1.49 1.74 2.02 322 341 359 `1.80 2.08 2.38 337 355 373 2.11 2.42 2.76 350 368 386 2.41 2.76 3.13 363 381 398 2.72 3.09 3.49 376 393 410 3.02 3.42 3.85 401 416 432 3.66 4.08 4.56 426 439 453 4.33 4.78 5.29 462 475 — 5.52 6.05 —
19320 20700 22080 1400 1500 1600 350 371 393 1.98 2.32 2.71 364 384 405 2.33 2.69 3.10 378 397 417 2.72 3.10 3.52 392 410 429 3.12 3.52 3.96 404 423 441 3.53 3.95 4.42 416 434 453 3.93 4.39 4.88 427 445 464 4.32 4.81 5.34 449 466 484 5.09 5.65 6.25 469 486 503 5.85 6.47 7.13 489 505 521 6.64 7.29 8.00
23460 24840 26220 1700 1800 1900 414 436 457 3.14 3.62 4.14 426 447 468 3.56 4.07 4.62 437 458 479 3.99 4.51 5.08 449 469 489 4.44 4.98 5.57 460 480 499 4.92 5.47 6.08 471 490 509 5.41 5.98 6.61 482 501 520 5.90 6.50 7.15 502 520 539 6.87 7.54 8.24 521 539 557 7.83 8.56 9.33 539 556 574 8.76 9.56 10.40
27600 30360 33120 2000 2200 2400 479 522 566 4.71 6.02 7.61 490 533 576 5.23 6.61 8.21 500 542 585 5.72 7.17 8.85 509 551 593 6.21 7.70 9.44 519 560 601 6.74 8.24 10.02 529 569 609 7.28 8.81 10.62 539 578 618 7.84 9.41 11.23 558 595 634 8.99 10.64 12.53 575 612 650 10.14 11.90 13.88 592 629 666 11.28 13.17 15.26
35880 38640 41400 2600 2800 3000 611 656 699 9.50 11.64 14.03 619 663 707 10.07 12.25 14.79 628 671 714 10.78 12.97 15.48 636 679 722 11.46 13.73 16.29 644 687 729 12.09 14.45 17.10 651 694 736 12.72 15.13 17.85 659 701 743 13.36 15.80 18.58 674 714 756 14.70 17.19 20.03 689 728 769 16.12 18.67 21.55 704 742 782 17.59 20.20 23.14
44160 46920 3200 3400 744 789 16.77 20.03 752 796 17.69 20.89 758 802 18.35 21.63 765 808 19.17 22.41 772 815 20.05 23.32 779 822 20.89 24.25 786 829 21.70 25.15 798 840 23.24 26.82 810 852 24.81 28.46 822 863 26.44 30.14
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
17940 19320 20700 1300 1400 1500 496 509 523 6.85 7.46 8.13 548 560 — 9.18 9.91 — 597 — — 11.79 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
22080 23460 24840 1600 1700 1800 539 556 573 8.88 9.69 10.55 574 589 605 10.70 11.57 12.52 608 621 635 12.64 13.56 14.55 653 666 — 15.65 16.69 — 696 — — 18.92 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
26220 27600 30360 1900 2000 2200 590 608 644 11.46 12.41 14.43 621 638 673 13.53 14.61 16.90 651 667 701 15.63 16.79 19.32 680 695 727 17.81 19.03 21.72 709 722 752 20.09 21.35 24.16 737 750 778 22.46 23.77 26.66 777 802 — 26.26 29.26 — 827 — — 31.94 — — 852 — — 34.68 — — 877 — — 37.46 — —
33120 35880 38640 2400 2600 2800 681 718 756 16.64 19.08 21.78 709 746 783 19.39 22.08 24.99 736 772 808 22.08 25.04 28.22 761 796 832 24.71 27.95 31.41 785 820 855 27.33 30.81 34.54 809 842 877 29.97 33.65 37.63 832 864 898 32.66 36.49 40.69 855 886 918 35.42 39.37 43.74 878 907 939 38.27 42.31 46.82 900 928 959 41.19 45.31 49.93
41400 44160 46920 3000 3200 3400 795 834 875 24.78 28.14 31.89 821 859 898 28.18 31.69 35.56 845 883 921 31.64 35.35 39.38 869 906 943 35.09 39.04 43.28 891 927 964 38.51 42.72 47.21 912 948 985 41.87 46.37 51.12 933 968 1004 45.19 49.96 55.00 953 988 1023 48.48 53.51 58.83 972 1007 1042 51.75 57.03 62.62 991 1025 1060 55.02 60.52 66.37
49680 52440 55200 3600 3800 4000 915 957 999 36.06 40.67 45.75 937 978 1018 39.83 44.54 49.71 959 998 1038 43.79 48.62 53.89 981 1019 1058 47.87 52.85 58.26 1001 1039 1077 52.01 57.18 62.74 1022 1059 1096 56.17 61.55 67.31 1041 1078 1115 60.31 65.94 71.92 1060 1096 1133 64.42 70.31 76.54 1078 1114 1151 68.49 74.66 81.15 1095 1131 1168 72.52 78.97 85.73
57960 60720 4200 4400 1042 1084 51.31 57.34 1060 1102 55.39 61.58 1078 1119 59.66 65.94 1097 1137 64.13 70.51 1116 1155 68.76 75.26 1134 1173 73.49 80.14 1153 1191 78.30 85.11 1170 1208 83.13 90.15 1188 1225 87.98 95.22 1204 1241 92.83 100.30
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
33120 35880 38640 2400 2600 2800 923 949 978 44.17 48.40 53.10 946 970 998 47.20 51.55 56.34 991 1017 — 54.76 59.65 — 1012 1037 — 58.02 63.03 — 1034 1057 — 61.31 66.47 — 1096 — — 73.47 — — — — — — — — — — — — — — — — — — — — — — — — — —
41400 44160 46920 3000 3200 3400 1010 1043 1077 58.33 64.01 70.09 1028 1061 1095 61.67 67.51 73.79 1047 1078 1111 65.07 71.04 77.50 1065 1096 1128 68.53 74.61 81.22 1083 1113 1145 72.06 78.22 84.97 1120 1147 1177 79.30 85.64 92.59 1156 1182 1210 86.75 93.29 100.41 1193 1216 1242 94.32 101.16 108.47 1250 1274 — 109.18 116.74 — 1306 — — 125.18 — —
49680 52440 55200 3600 3800 4000 1112 1148 1184 76.50 83.24 90.28 1129 1165 1200 80.46 87.46 94.79 1146 1181 1216 84.39 91.66 99.26 1162 1196 1232 88.32 95.82 103.69 1178 1212 1247 92.24 99.97 108.10 1209 1242 1277 100.15 108.26 116.84 1240 1272 1306 108.19 116.59 125.56 1271 1302 1334 116.42 125.05 134.33 1301 1331 1362 124.86 133.67 143.19 1332 1360 1390 133.52 142.50 152.21
57960 60720 63480 4200 4400 4600 1221 1257 1295 97.65 105.37 113.50 1237 1273 1310 102.43 110.43 118.80 1252 1289 1325 107.19 115.46 124.10 1267 1304 1340 111.90 120.46 129.37 1282 1318 1355 116.58 125.42 134.61 1311 1347 1383 125.85 135.24 145.00 1340 1375 1410 135.03 144.94 155.25 1367 1402 1436 144.19 154.56 165.38 1394 1428 1462 153.38 164.15 175.45 1421 1454 1488 162.65 173.77 185.47
66240 69000 4800 5000 1332 1370 122.06 131.11 1347 1385 127.60 136.86 1362 1399 133.14 142.63 1377 1414 138.67 148.40 1391 1428 144.19 154.17 1419 1455 155.13 165.65 1446 1482 165.94 177.03 1472 1508 176.63 188.28 1497 1533 187.21 199.41 1522 1557 197.72 210.44
71760 74520 5200 5400 1408 1446 140.69 150.83 1422 1460 146.63 156.95 1437 1475 152.61 163.12 1451 1488 158.61 169.32 1465 1502 164.61 175.54 1492 1529 176.60 188.01 1518 1555 188.52 200.46 1544 — 200.34 — — — — — — — — —
centrifugal fan blade

Arrangement #1 & #3 — SWSI — Class I & II

arrangement 3 double width fan

RPM 3

centrifugal fan ventilatorTIP SPEED (FPM) = 7.069 x RPM OUTLET 7.54 Sq. Ft. Inside MAX. HP = 6.01{29" x 381/8" Outside (1000 )

WHEEL DIAMETER = 27" INLET 8.860 Sq. Ft. Inside MAX. RPM{ 29" Dia. Outside CL.1 1453

CL.2 1895

CL.3 2388

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
6032 6786 7540 800 900 1000 396 427 458 0.36 0.44 0.53 433 461 491 0.48 0.57 0.68 468 493 521 0.62 0.72 0.83 503 524 550 0.76 0.87 0.99 538 555 578 0.91 1.03 1.16 573 586 606 1.07 1.19 1.34 610 618 633 1.23 1.37 1.52 682 690 — 1.73 1.90 — 748 — — 2.29 — — — — — — — —
8294 9048 9802 1100 1200 1300 490 522 555 0.64 0.76 0.90 522 553 585 0.80 0.94 1.09 551 581 612 0.97 1.12 1.28 578 607 637 1.14 1.30 1.48 604 631 660 1.31 1.48 1.68 629 655 683 1.50 1.68 1.88 654 679 705 1.69 1.87 2.09 705 725 748 2.09 2.29 2.52 756 771 791 2.50 2.73 2.97 809 818 834 2.94 3.19 3.45
10556 11310 12064 1400 1500 1600 589 624 658 1.05 1.23 1.44 617 650 683 1.26 1.45 1.66 643 675 707 1.47 1.67 1.90 667 698 730 1.68 1.90 2.14 690 721 752 1.89 2.12 2.38 712 742 772 2.10 2.35 2.62 733 762 792 2.32 2.58 2.86 774 801 829 2.77 3.05 3.35 814 839 866 3.24 3.53 3.86 853 876 901 3.73 4.04 4.38
12818 13572 14326 1700 1800 1900 694 729 765 1.67 1.92 2.20 717 751 786 1.90 2.16 2.45 740 773 806 2.15 2.42 2.72 762 794 827 2.40 2.69 3.00 783 815 847 2.66 2.96 3.28 803 834 866 2.91 3.23 3.57 822 853 884 3.17 3.50 3.85 859 889 919 3.68 4.04 4.42 894 922 952 4.21 4.59 5.00 927 955 983 4.75 5.15 5.58
15080 16588 18096 2000 2200 2400 801 872 944 2.50 3.19 4.00 821 892 963 2.77 3.51 4.36 840 909 980 3.05 3.80 4.69 860 927 996 3.34 4.11 5.02 879 945 1012 3.64 4.43 5.35 898 962 1028 3.94 4.75 5.70 916 980 1045 4.23 5.08 6.06 950 1013 1076 4.83 5.74 6.77 982 1043 1106 5.44 6.40 7.49 1013 1073 1134 6.05 7.06 8.21
19604 21112 22620 2600 2800 3000 1017 1090 1164 4.95 6.06 7.35 1035 1106 1178 5.35 6.47 7.75 1051 1122 1194 5.72 6.90 8.22 1066 1137 1208 6.07 7.28 8.66 1081 1151 1221 6.43 7.66 9.06 1096 1164 1234 6.79 8.04 9.47 1111 1178 1247 7.17 8.44 9.88 1141 1206 1273 7.94 9.25 10.73 1169 1234 1299 8.71 10.08 11.60 1197 1261 1325 9.49 10.92 12.50
24128 25636 3200 3400 1238 1312 8.80 10.41 1251 1324 9.21 10.87 1265 1337 9.71 11.36 1280 1351 10.19 11.90 1293 1364 10.64 12.40 1305 1376 11.07 12.87 1317 1387 11.50 13.33 1341 1410 12.39 14.25 1366 1433 13.31 15.20 1390 1456 14.25 16.19
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
9802 10556 11310 1300 1400 1500 877 893 913 3.94 4.25 4.57 966 974 988 4.97 5.32 5.69 1057 1063 — 6.44 6.84 — 1141 — — 8.06 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
12064 12818 13572 1600 1700 1800 936 960 987 4.93 5.31 5.73 1005 1026 1049 6.08 6.49 6.94 1075 1091 1111 7.28 7.74 8.22 1147 1158 1173 8.52 9.03 9.55 1220 1225 1235 9.83 10.35 10.93 1294 1299 — 11.75 12.33 — 1364 — — 13.81 — — — — — — — — — — — — — — — — — — — —
14326 15080 16588 1900 2000 2200 1014 1042 1101 6.18 6.66 7.73 1074 1100 1155 7.42 7.94 9.09 1132 1156 1207 8.73 9.28 10.50 1191 1211 1258 10.10 10.68 11.96 1250 1267 1309 11.52 12.14 13.48 1309 1323 1359 12.98 13.65 15.06 1370 1380 1410 14.46 15.1816.69 1431 1437 1461 16.01 16.74 18.35 1494 1496 1513 17.67 18.3620.03 1555 1565 — 20.08 21.75 —
18096 19604 21112 2400 2600 2800 1162 1223 1286 8.93 10.27 11.75 1213 1273 1335 10.39 11.83 13.43 1262 1320 1380 11.88 13.42 15.12 1310 1366 1424 13.41 15.03 16.83 1357 1410 1466 14.99 16.68 18.57 1404 1453 1507 16.63 18.39 20.34 1450 1496 1548 18.3220.14 22.15 1496 1539 1588 20.06 21.94 24.02 1543 1582 1628 21.8423.79 25.92 1590 1625 1667 23.65 25.68 27.88
22620 24128 25636 3000 3200 3400 1350 1414 1479 13.39 15.20 17.19 1397 1460 1524 15.19 17.11 19.22 1441 1503 1566 16.99 19.03 21.25 1484 1544 1606 18.80 20.96 23.29 1524 1584 1645 20.63 22.89 25.34 1564 1622 1682 22.49 24.84 27.39 1602 1659 1718 24.38 26.82 29.46 1640 1695 1753 26.31 28.82 31.56 1678 1731 1787 28.28 30.86 33.68 1715 1767 1821 30.29 32.94 35.83
27144 28652 30160 3600 3800 4000 1545 1612 1680 19.37 21.78 24.41 1588 1653 1719 21.51 24.00 26.72 1629 1693 1758 23.66 26.27 29.09 1669 1732 1795 25.82 28.54 31.48 1706 1769 1832 27.98 30.82 33.88 1743 1804 1866 30.14 33.10 36.27 1778 1838 1900 32.32 35.39 38.67 1812 1872 1933 34.51 37.68 41.08 1845 1904 1964 36.72 39.99 43.49 1878 1936 1995 38.95 42.32 45.92
31668 33176 4200 4400 1749 1818 27.29 30.43 1786 1854 29.68 32.89 1823 1889 32.14 35.44 1860 1925 34.64 38.04 1895 1959 37.15 40.66 1929 1993 39.67 43.30 1962 2025 42.19 45.93 1994 2056 44.71 48.57 2025 2087 47.23 51.21 2056 2117 49.76 53.85
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
180961960421112 2400 2600 2800 163716681707 25.49 27.61 29.88 1684 1711 1747 27.35 29.57 31.92 1732 1754 1787 29.24 31.55 33.99 1781 1798 1827 31.17 33.55 36.09 1830 1842 1867 33.18 35.58 38.21 1932 1948 — 39.74 42.52 — 2023 2030 — 44.18 46.92 — 2114 — — 51.50 — — 2200 — — 56.41 — — — — — — — —
226202412825636 3000 3200 3400 1752 1802 1854 32.35 35.06 38.01 1789 1837 1888 34.45 37.22 40.24 1826 1871 1921 36.6039.42 42.50 1863 1906 1954 38.77 41.66 44.80 1900 1941 1986 40.9943.94 47.14 1975 2010 2052 45.49 48.61 51.93 2051 2080 2117 50.07 53.38 56.85 2127 2151 2183 54.74 58.24 61.89 2204 2222 2249 59.51 63.17 67.02 2283 2294 2315 64.48 68.18 72.22
271442865230160 3600 3800 4000 1910 1967 2025 41.22 44.67 48.36 1942 1998 2055 43.51 47.04 50.83 1973 2028 2085 45.84 49.44 53.31 2004 2058 2114 48.2051.8755.82 2036 2088 2142 50.6054.3458.36 2098 2147 2199 55.50 59.37 63.52 2159 2206 2256 60.56 64.53 68.81 2221 2264 2311 65.74 69.84 74.23 2283 2323 2367 71.04 75.27 79.79 2345 2381 2423 76.43 80.82 85.47
316683317634684 4200 4400 4600 2085 2146 2207 52.31 56.51 60.96 2114 2174 2235 54.87 59.17 63.73 2143 2202 2262 57.44 61.84 66.51 2171 2230 2289 60.0464.5369.30 2199 2257 2316 62.6667.2472.10 2254 2310 2368 67.97 72.72 77.76 2308 2362 2419 73.40 78.29 83.50 2362 2414 2469 78.94 83.97 89.33 2415 2465 2518 84.61 89.77 95.26 2468 2516 2567 90.41 95.68 101.30
3619237700 4800 5000 2269 2331 65.68 70.66 2296 2358 68.56 73.66 2323 2385 71.45 76.66 2350 2411 74.3479.67 2376 2436 77.2582.68 2427 2486 83.10 88.74 2476 2535 89.02 94.84 2525 2582 95.01 101.01 2573 2629 101.09 107.25 2620 2675 107.26 113.58
3920840716 5200 5400 2394 2457 75.92 81.47 2421 2484 79.04 84.71 2447 2509 82.16 87.94 2473 2535 85.2891.18 2498 2559 88.4094.42 2547 2608 94.67 100.91 2594 2655 100.98 107.43 2641 2700 107.34 113.99 2687 2745 113.76 120.60 2732 2789 120.25 127.27
arr. 3 DW fan

Arrangement #3 — DWDI — Class I & II

DWDI arr 3 blower ventilator

RPM 3

industrial airfoil blowerTIP SPEED (FPM) = 7.854 x RPM OUTLET 9.31 Sq. Ft. Inside MAX. HP = 10.18{321/4" x 413/4" Outside (1000 )

WHEEL DIAMETER = 30" INLET 10.939 Sq. Ft. Inside MAX. RPM{ 321/4" Dia. Outside CL.1 1308

CL.2 1705

CL.3 2149

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
7448 8379 9310 800 900 1000 356 384 412 0.44 0.54 0.65 389 415 442 0.60 0.71 0.84 421 444 469 0.76 0.88 1.03 452 472 495 0.94 1.07 1.23 484 500 520 1.12 1.27 1.43 516 528 545 1.32 1.47 1.65 549 556 570 1.52 1.69 1.87 614 621 — 2.13 2.34 — 673 — — 2.83 — — — — — — — —
102411117212103 1100 1200 1300 441 470 500 0.78 0.93 1.11 470 498 526 0.99 1.16 1.34 495 523 551 1.19 1.38 1.58 520 546 573 1.40 1.60 1.83 543 568 594 1.62 1.83 2.07 566 590 615 1.85 2.07 2.32 589 611 634 2.08 2.31 2.57 634 652 673 2.58 2.83 3.11 681 694 712 3.09 3.37 3.67 728 737 750 3.63 3.93 4.26
130341396514896 1400 1500 1600 530 561 593 1.30 1.52 1.78 555 585 615 1.56 1.79 2.05 579 607 636 1.81 2.07 2.35 601 629 657 2.07 2.34 2.64 621 649 676 2.33 2.62 2.94 641 668 695 2.60 2.90 3.23 660 686 713 2.87 3.18 3.53 696 721 747 3.42 3.76 4.14 732 755 779 4.00 4.36 4.76 768 788 811 4.61 4.99 5.41
158271675817869 1700 1800 1900 624 656 689 2.06 2.37 2.71 645 676 707 2.35 2.67 3.03 666 695 725 2.65 2.99 3.36 686 715 744 2.97 3.32 3.70 705 733 762 3.28 3.65 4.05 723 751 779 3.59 3.98 4.40 740 768 796 3.91 4.32 4.76 773 800 827 4.55 4.99 5.46 804 830 857 5.20 5.67 6.17 834 859 885 5.87 6.36 6.89
186202048222344 2000 2200 2400 721 785 850 3.09 3.94 4.94 739 802 867 3.43 4.33 5.39 756 818 882 3.77 4.70 5.79 774 834 896 4.12 5.08 6.19 791 850 911 4.49 5.47 6.61 808 866 926 4.86 5.87 7.04 824 882 940 5.23 6.28 7.48 855 911 968 5.97 7.09 8.36 884 939 995 6.71 7.90 9.25 911 966 1021 7.46 8.72 10.14
242062606827930 2600 2800 3000 915 981 1048 6.11 7.48 9.07 931 996 1060 6.61 7.99 9.57 946 1010 1075 7.06 8.52 10.15 959 1023 1087 7.50 8.9910.69 973 1035 1099 7.93 9.46 11.19 986 1048 1111 8.38 9.93 11.69 1000 1060 1122 8.85 10.41 12.19 1027 1086 1146 9.80 11.42 13.24 1053 1110 1169 10.7612.4414.33 1077 1134 1192 11.72 13.48 15.43
2979231654 3200 3400 1115 1181 10.87 12.85 1126 1192 11.37 13.42 1139 1204 11.98 14.03 1152 1216 12.5814.69 1163 1228 13.14 15.31 1174 1238 13.67 15.89 1185 1249 14.20 16.45 1207 1269 15.29 17.59 1229 1290 16.4318.77 1251 1311 17.59 19.98
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
12103 13034 13965 1300 1400 1500 789 804 822 4.87 5.25 5.65 869 877 889 6.13 6.56 7.02 951 957 — 7.95 8.45 — 1027 — — 9.95 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
14896 15827 16758 1600 1700 1800 842 864 888 6.08 6.56 7.07 905 923 944 7.50 8.01 8.57 968 982 999 8.99 9.55 10.15 1032 1042 1055 10.52 11.14 11.79 1098 1103 1112 12.14 12.78 13.49 1165 1169 — 14.50 15.23 — 1228 — — 17.04 — — — — — — — — — — — — — — — — — — — —
17869 18620 20482 1900 2000 2200 913 938 991 7.63 8.23 9.54 966 990 1040 9.16 9.80 11.22 1019 1040 1086 10.78 11.46 12.96 1072 1090 1132 12.47 13.19 14.77 1125 1140 1178 14.23 14.99 16.65 1178 1191 1223 16.02 16.85 18.60 1233 1242 1269 17.86 18.74 20.60 1288 1293 1315 19.77 20.67 22.65 1345 1346 1361 21.82 22.67 24.73 1400 1408 — 24.79 26.85 —
22344 24206 26068 2400 2600 2800 1046 1101 1158 11.03 12.68 14.51 1092 1146 1201 12.82 14.61 16.58 1136 1188 1242 14.66 16.56 18.67 1179 1229 1281 16.55 18.56 20.78 1221 1269 1319 18.51 20.60 22.92 1263 1308 1356 20.53 22.70 25.11 1305 1347 1393 22.62 24.86 27.35 1347 1385 1429 24.77 27.09 29.65 1388 1424 1465 26.97 29.37 32.01 1431 1462 1500 29.20 31.71 34.42
27930 29792 31654 3000 3200 3400 1215 1273 1331 16.53 18.77 21.22 1257 1314 1371 18.75 21.13 23.72 1297 1353 1409 20.98 23.50 26.24 1335 1390 1446 23.21 25.87 28.75 1372 1425 1480 25.47 28.26 31.28 1407 1460 1514 27.77 30.67 33.81 1442 1493 1546 30.10 33.11 36.37 1476 1526 1577 32.48 35.58 38.96 1510 1558 1608 34.91 38.10 41.58 1543 1590 1639 37.40 40.67 44.23
33516 35378 37240 3600 3800 4000 1391 1451 1512 23.92 26.88 30.13 1429 1488 1547 26.55 29.64 32.99 1466 1524 1582 29.21 32.43 35.92 1502 1559 1616 31.87 35.24 38.87 1536 1592 1648 34.54 38.05 41.82 1568 1624 1680 37.21 40.86 44.78 1600 1655 1710 39.90 43.69 47.74 1630 1684 1739 42.60 46.52 50.71 1660 1714 1768 45.33 49.37 53.70 1690 1742 1796 48.09 52.24 56.69
39102 40964 4200 4400 1574 1637 33.69 37.56 1608 1668 36.64 40.60 1641 1701 39.68 43.75 1674 1732 42.77 46.96 1706 1763 45.87 50.20 1736 1793 48.97 53.45 1766 1823 52.08 56.71 1795 1851 55.19 59.96 1823 1878 58.31 63.22 1850 1905 61.44 66.49
VOL. CFM VEL. FPM OUTLET 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
223442420626068 2400 2600 2800 1473 1501 1536 31.47 34.09 36.89 1516 1540 1572 33.76 36.50 39.40 1559 1579 1608 36.10 38.95 41.96 1603 1618 1644 38.48 41.42 44.56 1647 1658 1680 40.96 43.92 47.18 1738 1753 — 49.06 52.49 — 1821 1827 — 54.54 57.93 — 1903 — — 63.58 — — 1980 — — 69.64 — — — — — — — —
279302979231654 3000 3200 3400 1577 1621 1669 39.94 43.28 46.93 1610 1653 1699 42.53 45.95 49.67 1644 1684 1729 45.18 48.67 52.47 1677 1715 1758 47.87 51.44 55.31 1710 1747 1788 50.60 54.25 58.19 1778 1809 1847 56.16 60.01 64.11 1846 1872 1905 61.82 65.90 70.19 1914 1936 1964 67.57 71.90 76.41 1984 2000 2024 73.47 77.98 82.74 2055 2064 2084 79.61 84.17 89.16
335163537837240 3600 3800 4000 1719 1770 1823 50.88 55.14 59.71 1747 1798 1850 53.72 58.07 62.75 1776 1825 1876 56.59 61.04 65.82 1804 1852 1902 59.50 64.04 68.91 1832 1879 1928 62.47 67.08 72.05 1888 1932 1979 68.52 73.29 78.42 1943 1985 2030 74.76 79.67 84.95 1999 2038 2080 81.16 86.22 91.65 2055 2091 2130 87.70 92.93 98.50 2111 2143 2180 94.35 99.78 105.51
391024096442826 4200 4400 4600 1877 1931 1986 64.58 69.76 75.26 1903 1957 2012 67.74 73.05 78.68 1929 1982 2036 70.92 76.35 82.11 1954 2007 2060 74.12 79.67 85.56 1979 2031 2084 77.36 83.01 89.02 2028 2079 2131 83.92 89.78 96.00 2077 2126 2177 90.61 96.66 103.09 2125 2173 2222 97.46 103.67 110.28 2173 2219 2266 104.46 110.82 117.60 2221 2265 2310 111.62 118.12 125.06
4468846550 4800 5000 2042 2098 81.08 87.23 2067 2123 84.64 90.94 2091 2146 88.21 94.64 2115 2170 91.78 98.35 2138 2193 95.37 102.08 2184 2238 102.59 109.55 2229 2281 109.90 117.09 2272 2324 117.29 124.71 2316 2366 124.80 132.41 2358 2408 132.42 140.22
4841250274 5200 5400 2155 2212 93.73 100.58 2179 2235 97.58 104.58 2202 2258 101.43 108.57 2225 2281 105.28 112.57 2248 2304 109.14 116.57 2292 2347 116.88 124.59 2335 2389 124.67 132.64 2377 2430 132.52 140.73 2418 2471 140.44 148.89 2458 2510 148.46 157.12
unifoil fan blower

Arrangement #3 — DWDI — Class I & II

DWDI ventilator fan blower

RPM 3

BC industrial blowerTIP SPEED (FPM) = 8.639 x RPM OUTLET 11.27 Sq. Ft. Inside MAX. HP = 16.39{353/8" x 463/8" Outside (1000 )

WHEEL DIAMETER = 33" INLET 13.236 Sq. Ft. Inside MAX. RPM{ 353/8" Dia. Outside CL.1 1189

CL.2 1550

CL.3 1954

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
9016 10143 11270 800 900 1000 324 349 375 0.53 0.65 0.79 354 377 402 0.72 0.86 1.02 383 404 426 0.92 1.07 1.24 411 429 450 1.13 1.30 1.48 440 454 473 1.36 1.53 1.73 469 480 496 1.59 1.78 1.99 499 505 518 1.84 2.04 2.27 558 564 2.58 2.83 612 3.43
123971352414651 1100 1200 1300 401 427 454 0.95 1.13 1.34 427 452 478 1.20 1.40 1.63 450 475 501 1.44 1.67 1.92 473 496 521 1.70 1.94 2.21 494 516 540 1.96 2.22 2.51 515 536 559 2.23 2.50 2.81 535 555 577 2.52 2.80 3.12 577 593 612 3.12 3.42 3.76 619 631 647 3.74 4.08 4.44 662 670 682 4.39 4.76 5.16
157781690518032 1400 1500 1600 482 510 539 1.58 1.84 2.15 505 532 559 1.88 2.17 2.48 526 552 578 2.19 2.50 2.84 546 571 597 2.51 2.84 3.20 565 590 615 2.82 3.17 3.55 582 607 632 3.14 3.51 3.91 600 624 648 3.47 3.85 4.27 633 655 679 4.14 4.55 5.01 666 686 708 4.84 5.28 5.76 698 717 737 5.58 6.04 6.55
191592028621413 1700 1800 1900 568 597 626 2.49 2.87 3.28 586 614 643 2.84 3.23 3.67 605 632 660 3.21 3.62 4.07 623 650 676 3.59 4.02 4.48 641 667 693 3.97 4.42 4.91 657 683 708 4.35 4.82 5.33 673 698 724 4.73 5.22 5.76 703 727 752 5.50 6.03 6.61 731 755 779 6.29 6.86 7.47 759 781 805 7.10 7.70 8.34
225402479427048 2000 2200 2400 655 714 772 3.74 4.77 5.97 671 729 788 4.14 5.24 6.52 687 744 802 4.56 5.68 7.01 703 758 815 4.99 6.14 7.49 719 773 828 5.43 6.62 8.00 735 787 841 5.88 7.10 8.52 749 801 855 6.33 7.59 9.05 777 828 880 7.22 8.58 10.11 804 854 905 8.12 9.56 11.19 829 878 928 9.03 10.55 12.26
293023155633810 2600 2800 3000 832 892 953 7.39 9.05 10.98 847 905 964 7.99 9.67 11.58 860 918 977 8.55 10.30 12.28 872 930 988 9.07 10.88 12.93 884 941 999 9.60 11.44 13.54 896 953 1010 10.15 12.01 14.14 909 964 1020 10.71 12.60 14.75 933 987 1042 11.85 13.81 16.02 957 1010 1063 13.01 15.06 17.34 979 1031 1084 14.18 16.31 18.67
3606438318 3200 3400 1013 1073 13.15 15.55 1023 1083 13.7616.24 1035 1094 14.50 16.98 1047 1106 15.2317.77 1058 1116 15.90 18.52 1068 1126 16.54 19.22 1077 1135 17.18 19.91 1097 1154 18.51 21.28 1117 1173 19.88 22.71 1137 1191 21.28 24.18
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
146511577816905 1300 1400 1500 718 731 747 5.89 6.35 6.83 790 797 808 7.42 7.94 8.49 865 870 9.62 10.22 934 12.04
180321915920286 1600 1700 1800 766 786 807 7.36 7.94 8.56 822 839 858 9.08 9.70 10.36 880 893 909 10.87 11.56 12.28 938 947 959 12.73 13.49 14.27 998 1002 1011 14.69 15.47 16.32 1059 1063 17.55 18.43 1116 20.62
214132254024794 1900 2000 2200 830 853 901 9.23 9.95 11.55 878 900 945 11.09 11.86 13.58 926 946 988 13.04 13.86 15.68 974 991 1029 15.09 15.9617.87 1022 1037 1071 17.21 18.14 20.14 1071 1082 1112 19.39 20.39 22.50 1121 1129 1154 21.61 22.68 24.93 1171 1176 1195 23.92 25.01 27.41 1223 1224 1238 26.40 27.43 29.93 1272 1280 29.99 32.49
270482930231556 2400 2600 2800 950 1001 1052 13.34 15.34 17.56 993 1042 1092 15.52 17.68 20.07 1033 1080 1129 17.74 20.04 22.59 1072 1117 1165 20.0322.4525.14 1110 1154 1199 22.4024.9227.73 1148 1189 1233 24.84 27.47 30.38 1186 1224 1266 27.37 30.08 33.09 1224 1259 1299 29.97 32.77 35.87 1262 1294 1332 32.63 35.54 38.73 1301 1329 1364 35.34 38.36 41.65
338103606438318 3000 3200 3400 1104 1157 1210 20.01 22.71 25.68 1143 1195 1247 22.69 25.57 28.71 1179 1230 1281 25.38 28.43 31.75 1214 1264 1314 28.0931.3034.79 1247 1296 1346 30.8234.1937.85 1279 1327 1376 33.60 37.11 40.92 1311 1357 1405 36.42 40.06 44.01 1342 1387 1434 39.30 43.06 47.14 1373 1416 1462 42.24 46.10 50.31 1403 1445 1490 45.25 49.21 53.52
405724282645080 3600 3800 4000 1264 1319 1375 28.94 32.53 36.46 1299 1353 1407 32.13 35.86 39.92 1333 1385 1438 35.35 39.24 43.46 1365 1417 1469 38.5742.6447.03 1396 1447 1499 41.7946.0450.61 1426 1476 1527 45.03 49.45 54.19 1454 1504 1555 48.28 52.86 57.77 1482 1531 1581 51.55 56.29 61.36 1509 1558 1607 54.85 59.74 64.97 1536 1584 1632 58.19 63.21 68.60
4733449588 4200 4400 1431 1488 40.76 45.45 1461 1517 44.33 49.13 1492 1546 48.01 52.94 1522 1575 51.7556.82 1551 1603 55.5060.75 1578 1630 59.26 64.68 1605 1657 63.02 68.62 1632 1683 66.78 72.56 1657 1708 70.56 76.50 1682 1732 74.34 80.45
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
270482930231556 2400 2600 2800 1339 1364 1397 38.08 41.24 44.63 1378 1400 1429 40.85 44.17 47.68 1417 1435 1462 43.68 47.13 50.77 1457 1471 1494 46.57 50.12 53.91 1498 1507 1527 49.57 53.14 57.08 1580 1594 59.36 63.52 1655 1661 65.99 70.09 1730 76.93 1800 84.27
338103606438318 3000 3200 3400 1434 1474 1517 48.33 52.37 56.79 1464 1503 1544 51.47 55.60 60.11 1494 1531 1571 54.67 58.89 63.48 1525 1560 1598 57.92 62.24 66.92 1555 1588 1625 61.23 65.64 70.41 1616 1645 1679 67.95 72.61 77.57 1678 1702 1732 74.80 79.74 84.93 1740 1760 1786 81.76 87.00 92.46 1804 1818 1840 88.90 94.36 100.12 1868 1877 1894 96.33 101.84 107.88
405724282645080 3600 3800 4000 1563 1609 1657 61.57 66.72 72.25 1589 1634 1682 65.00 70.27 75.93 1614 1659 1706 68.47 73.86 79.64 1640 1684 1729 72.00 77.49 83.39 1665 1708 1753 75.58 81.17 87.18 1716 1757 1799 82.91 88.68 94.89 1767 1805 1845 90.46 96.40 102.79 1817 1853 1891 98.20 104.33 110.89 1868 1900 1937 106.12 112.45 119.19 1919 1948 1982 114.17 120.74 127.67
473344958851842 4200 4400 4600 1706 1756 1806 78.14 84.41 91.06 1730 1779 1829 81.96 88.39 95.20 1753 1802 1851 85.81 92.38 99.35 1776 1824 1873 89.69 96.40 103.52 1799 1846 1895 93.60 100.45 107.71 1844 1890 1937 101.54 108.63 116.16 1888 1933 1979 109.64 116.95 124.73 1932 1975 2020 117.92 125.44 133.44 1976 2017 2060 126.39 134.09 142.30 2019 2059 2100 135.05 142.93 151.32
5409656350 4800 5000 1856 1907 98.11 105.55 1879 1930 102.41 110.03 1901 1951 106.73 114.52 1923 1973 111.06 119.01 1944 1993 115.40 123.51 1985 2034 124.14 132.56 2026 2074 132.97 141.68 2066 2113 141.92 150.89 2105 2151 151.01 160.22 2144 2189 160.23 169.67
5860460858 5200 5400 1959 2011 113.41 121.71 1981 2032 118.07 126.54 2002 2053 122.73 131.37 2023 2074 127.39 136.21 2044 2094 132.06 141.05 2084 2134 141.43 150.75 2123 2172 150.85 160.49 2161 2209 160.35 170.28 2198 2246 169.94 180.16 2235 2282 179.63 190.11
industrial blowers fans

Arrangement #3 — DWDI — Class I & II

industrial blowers fans centrifugal

RPM 3

centrifugal backward curved fanTIP SPEED (FPM) = 9.556 x RPM OUTLET 13.788 Sq. Ft. Inside MAX. HP = 26.3{391/4" x 51" Outside (1000 )

WHEEL DIAMETER = 361/2" INLET 16.220 Sq. Ft. Inside MAX. RPM{ 39" Dia. Outside CL.1 1094

CL.2 1427

CL.3 1799

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
11030 12409 13788 800 900 1000 299 322 346 0.68 0.83 1.01 326 348 370 0.91 1.09 1.29 353 372 393 1.15 1.35 1.58 378 395 415 1.40 1.62 1.87 403 418 436 1.66 1.89 2.17 428 440 456 1.94 2.19 2.47 463 476 — 2.49 2.79 — 517 — — 3.46 — — — — — — — — — — — — — —
151671654617924 1100 1200 1300 371 396 422 1.21 1.45 1.72 394 418 442 1.52 1.78 2.07 415 438 462 1.83 2.12 2.44 436 458 480 2.15 2.46 2.81 455 476 498 2.47 2.81 3.18 474 494 515 2.80 3.16 3.56 493 512 532 3.13 3.52 3.94 530 546 564 3.82 4.24 4.71 566 580 596 4.57 5.00 5.50 613 627 — 5.82 6.33 —
193032068222061 1400 1500 1600 448 474 501 2.02 2.37 2.77 467 493 518 2.40 2.77 3.19 486 510 535 2.79 3.19 3.62 504 528 552 3.19 3.61 4.07 521 544 568 3.58 4.03 4.52 537 560 583 3.99 4.46 4.97 553 575 597 4.39 4.89 5.42 584 604 626 5.22 5.76 6.35 613 633 653 6.05 6.65 7.28 643 660 679 6.91 7.54 8.23
234402481826197 1700 1800 1900 528 556 583 3.21 3.69 4.23 545 571 598 3.65 4.16 4.72 561 586 612 4.11 4.64 5.22 576 601 627 4.58 5.13 5.73 592 616 641 5.05 5.63 6.26 606 630 655 5.53 6.13 6.79 621 644 668 6.01 6.64 7.32 648 670 694 6.98 7.66 8.39 674 696 718 7.97 8.69 9.48 699 720 742 8.96 9.74 10.57
275763033433091 2000 2200 2400 610 666 722 4.83 6.19 7.81 625 679 734 5.34 6.75 8.42 639 692 746 5.86 7.31 9.03 652 704 758 6.39 7.89 9.64 666 717 769 6.94 8.48 10.27 679 729 781 7.50 9.08 10.92 692 741 792 8.05 9.69 11.57 717 765 814 9.18 10.92 12.90 741 788 836 10.31 12.15 14.24 764 810 856 11.46 13.40 5.59
358493860641364 2600 2800 3000 778 835 892 9.71 11.93 14.46 789 845 901 10.35 12.59 15.16 801 856 911 11.02 13.30 15.91 811 866 921 11.68 4.02 16.68 822 876 930 12.35 14.74 17.44 833 886 939 13.03 15.46 18.21 843 896 949 1 13.73 16.19 8.98 864 915 967 15.15 17.70 20.57 885 935 985 16.59 19.23 22.19 905 954 1003 18.04 20.79 23.84
4412246879 3200 3400 949 1005 17.32 20.52 958 1015 18.09 21.40 967 1023 18.85 22.18 976 1031 19.67 23.03 985 1040 20.50 23.91 994 1048 21.31 24.78 1002 1056 22.13 25.65 1020 1073 23.79 27.39 1037 1089 25.5029.17 1054 1105 27.24 31.00
VOL. CFM VEL. FPM OUTLET 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
179241930320682 1300 1400 1500 658 672 688 7.20 7.79 8.46 729 741 — 9.70 10.40 — 795 — — 12.49 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
220612344024818 1600 1700 1800 705 724 744 9.19 9.97 10.80 756 773 790 11.17 12.03 12.95 807 820 836 13.29 14.18 15.16 857 868 881 15.56 16.48 17.48 915 925 — 18.90 19.94 — 970 — — 22.52 — — — — — — — — — — — — — — — — — — — — — — — — — —
261972757630334 1900 2000 2200 765 786 831 11.68 12.62 14.65 809 829 871 13.93 14.96 17.20 853 871 910 16.22 17.35 19.79 896 912 948 18.59 19.78 22.40 938 953 986 21.07 22.30 25.06 981 993 1023 23.68 24.94 27.78 1023 1033 1060 26.41 27.70 30.60 1073 1096 — 30.56 33.52 — 1133 — — 36.56 — — 1169 — — 39.69 — —
33091 35849 38606 2400 2600 2800 877 924 972 16.94 19.50 22.35 915 961 1007 19.69 22.44 25.50 952 996 1041 22.47 25.42 28.67 988 1030 1074 25.29 28.44 31.89 1023 1063 1106 28.14 31.49 35.14 1058 1096 1137 31.01 34.57 38.42 1092 1128 1167 33.94 37.67 41.72 1126 1160 1197 36.94 40.81 45.05 1159 1191 1227 40.04 44.00 48.41 1193 1222 1256 43.23 47.27 51.80
41364 44122 46879 3000 3200 3400 1021 1071 1121 25.51 29.00 32.85 1055 1104 1153 28.86 32.56 36.61 1088 1135 1183 32.24 36.15 40.41 1119 1165 1213 35.65 39.76 44.22 1150 1195 1241 39.10 43.40 48.06 1179 1223 1269 42.58 47.07 51.93 1208 1251 1296 46.08 50.78 55.83 1237 1279 1322 49.62 54.51 59.76 1265 1306 1348 53.17 58.27 63.72 1293 1332 1373 56.74 62.05 67.71
49637 52394 55152 3600 3800 4000 1173 1225 1277 37.09 41.75 46.86 1203 1253 1305 41.04 45.88 51.15 1232 1282 1332 45.04 50.07 55.53 1261 1309 1358 49.07 54.31 59.97 1288 1336 1384 53.11 58.56 64.43 1315 1362 1410 57.18 62.84 68.91 1341 1387 1434 61.28 67.13 73.41 1366 1412 1458 65.40 71.45 77.94 1392 1436 1482 69.56 75.80 82.48 1416 1460 1505 73.74 80.18 87.05
57910 60667 4200 4400 1330 1384 52.44 58.52 1356 1409 56.89 63.12 1383 1434 61.45 67.84 1408 1459 66.07 72.65 1433 1483 70.74 77.52 1458 1507 75.43 82.42 1482 1530 80.14 87.34 1505 1553 84.87 92.27 1528 1575 89.61 97.22 1551 1597 94.38 102.19
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
330913584938606 2400 2600 2800 1227 1253 1285 46.52 50.62 55.25 1260 1284 1314 49.90 54.06 58.76 1294 1315 1343 53.38 57.60 62.36 1346 1372 — 61.22 66.04 — 1377 1401 — 64.92 69.81 — 1458 — — 77.58 — — 1516 — — 85.68 — — — — — — — — — — — — — — — — — — — —
413644412246879 3000 3200 3400 1320 1358 1399 60.35 65.85 71.71 1348 1385 1424 63.99 69.67 75.73 1375 1410 1448 67.69 73.52 79.77 1402 1436 1473 71.44 77.40 83.83 1429 1462 1497 75.27 81.34 87.92 1483 1512 1545 83.17 89.38 96.21 1537 1563 1593 91.38 97.71 104.71 1590 1613 1641 99.89 106.34 113.46 1663 1688 — 115.26 122.49 — 1714 1735 — 124.44 131.81 —
496375239455152 3600 3800 4000 1440 1484 1528 77.95 84.58 91.65 1464 1507 1550 82.17 89.01 96.27 1488 1530 1572 86.42 93.46 100.92 1512 1552 1594 90.68 97.93 105.59 1535 1575 1616 94.96 102.41 110.28 1581 1619 1659 103.59 111.43 119.71 1627 1663 1701 112.34 120.53 129.20 1672 1706 1742 121.28 129.74 138.77 1717 1749 1783 130.44 139.11 148.43 1762 1792 1824 139.87 148.69 158.24
579106066763425 4200 4400 4600 1573 1619 1666 99.17 107.18 115.68 1595 1640 1686 103.99 112.19 120.89 1616 1661 1707 108.84 117.23 126.13 1638 1682 1727 113.70 122.29 131.38 1659 1702 1747 118.59 127.38 136.66 1700 1742 1786 128.43 137.61 147.29 1741 1782 1824 138.33 147.92 158.00 1781 1821 1862 148.29 158.29 168.78 1820 1859 1899 158.32 168.72 179.61 1860 1897 1936 168.44 179.21 190.51
6618268940 4800 5000 1713 1761 124.70 134.25 1733 1781 130.11 139.87 1753 1800 135.54 145.50 1773 1819 141.00 151.16 1792 1838 146.47 156.83 1830 1876 157.49 168.23 1868 1912 168.59 179.73 1904 1948 179.77 191.30 1941 1983 191.01 202.95 1976 2018 202.32 214.66
7169874455 5200 5400 1809 1858 144.35 155.03 1828 1877 150.18 161.07 1848 1895 156.02 167.12 1866 1914 161.88 173.18 1885 1932 167.75 179.26 1921 1968 179.55 191.46 1957 2003 191.43 203.73 1992 2037 203.39 216.09 2026 2071 215.44 228.52 2060 — 227.55 —
centrifugal backward curved blower

Arrangement #3 — DWDI — Class I & II

centrifugal backward curved ventilator

RPM 3

centrifugal backward inclined fanTIP SPEED (FPM) = 10.54 x RPM OUTLET 16.766 Sq. Ft. Inside MAX. HP = 42.9{431/4" x 565/8" Outside (1000 )

WHEEL DIAMETER = 401/4" INLET 19.70 Sq. Ft. Inside MAX. RPM{ 43" Dia. Outside CL.1 993

CL.2 1294

CL.3 1631

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
13413 15089 16766 800 900 1000 271 292 314 0.82 1.01 1.22 296 315 336 1.11 1.32 1.57 320 337 356 1.40 1.64 1.92 343 358 376 1.70 1.97 2.27 366 379 395 2.02 2.30 2.64 388 399 414 2.36 2.66 3.01 420 432 — 3.03 3.39 — 469 — — 4.21 — — — — — — — — — — — — — —
18443 20119 21796 1100 1200 1300 336 359 382 1.47 1.76 2.09 357 379 401 1.85 2.16 2.52 377 397 419 2.23 2.58 2.96 395 415 436 2.61 2.99 3.41 413 432 452 3.01 3.42 3.86 430 448 467 3.41 3.84 4.32 447 464 482 3.81 4.28 4.79 481 495 511 4.65 5.16 5.73 514 526 540 5.56 6.09 6.69 556 568 — 7.07 7.69 —
23472 25149 26826 1400 1500 1600 406 430 454 2.46 2.89 3.36 424 447 470 2.92 3.37 3.88 441 463 486 3.40 3.88 4.41 457 478 500 3.88 4.39 4.95 472 493 515 4.36 4.90 5.49 487 507 528 4.85 5.42 6.04 501 521 542 5.34 5.94 6.60 529 548 567 6.34 7.00 7.72 556 574 592 7.36 8.08 8.86 583 599 616 8.40 9.17 10.01
28502 30179 31855 1700 1800 1900 479 504 529 3.90 4.49 5.15 494 518 542 4.43 5.05 5.74 508 532 555 4.99 5.64 6.35 523 545 568 5.56 6.24 6.97 537 559 581 6.14 6.85 7.61 550 572 594 6.72 7.46 8.26 563 584 606 7.31 8.07 8.90 587 608 629 8.49 9.31 10.20 611 631 651 9.69 10.57 11.52 634 653 673 10.90 11.85 12.86
33532 36885 40238 2000 2200 2400 554 604 655 5.87 7.52 9.49 566 616 666 6.49 8.21 10.23 579 627 676 7.12 8.89 10.98 592 639 687 7.77 9.59 11.73 604 650 697 8.44 10.31 12.49 616 661 708 9.12 11.04 13.28 628 672 718 9.79 11.78 14.07 650 694 738 11.16 13.28 15.69 672 714 758 12.54 14.78 17.32 693 734 777 13.93 16.29 18.95
43592 46945 50298 2600 2800 3000 706 757 809 11.81 14.51 17.59 716 766 817 12.59 15.31 18.43 726 776 826 13.40 16.18 19.34 736 785 835 14.21 17.05 20.28 745 794 843 15.02 17.92 21.21 755 803 852 15.85 18.80 22.14 765 812 860 16.70 19.69 23.08 784 1 830 877 8.42 21.52 25.01 802 848 894 20.18 23.39 26.99 820 865 910 21.94 25.28 28.99
53651 57004 3200 3400 860 912 21.06 24.96 869 920 22.00 26.03 876 927 22.93 26.97 885 935 23.93 28.01 893 943 24.92 29.08 901 951 25.92 30.13 909 958 26.91 31.19 925 973 28.93 33.31 940 988 31.00 35.48 956 1002 33.12 37.69
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
217962347225149 1300 1400 1500 596 609 623 8.76 9.48 10.29 661 672 — 11.79 12.64 — 721 — — 15.18 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
268262850230179 1600 1700 1800 639 657 675 11.17 12.13 13.14 686 701 717 13.59 14.63 15.75 731 744 758 16.16 17.25 18.43 777 787 799 18.92 20.03 21.26 830 839 — 22.98 24.25 — 880 — — 27.38 — — — — — — — — — — — — — — — — — — — — — — — — — —
318553353236885 1900 2000 2200 694 713 753 14.21 15.34 17.82 734 752 790 16.94 18.20 20.92 773 790 826 19.72 21.09 24.06 812 827 860 22.60 24.05 27.24 851 864 894 25.62 27.12 30.47 889 901 928 28.80 30.33 33.78 928 937 961 32.11 33.68 37.21 973 994 — 37.17 40.77 — 1027 — — 44.46 — — 1061 — — 48.26 — —
402384359246945 2400 2600 2800 795 838 881 20.60 23.72 27.18 830 871 914 23.94 27.29 31.01 863 903 944 27.33 30.92 34.87 896 934 974 30.75 34.59 38.78 928 964 1003 34.21 38.30 42.73 959 994 1031 37.71 42.04 46.72 990 1023 1058 41.28 45.81 50.74 1021 1052 1086 44.92 49.63 54.78 1051 1080 1112 48.68 53.51 58.86 1082 1109 1139 52.57 57.48 62.99
502985365157004 3000 3200 3400 926 971 1017 31.02 35.26 39.95 957 1001 1045 35.10 39.59 44.52 986 1029 1073 39.21 43.96 49.14 1015 1057 1100 43.35 48.35 53.78 1043 1084 1125 47.54 52.77 58.45 1069 1109 1150 51.77 57.24 63.15 1096 1135 1175 56.04 61.75 67.90 1122 1160 1199 60.33 66.29 72.68 1147 1184 1222 64.65 70.86 77.49 1172 1208 1245 69.00 75.54 82.33
603586371167064 3600 3800 4000 1063 1110 1158 45.11 50.77 56.98 1091 1137 1183 49.91 55.79 62.20 1117 1162 1208 54.77 60.89 67.53 1143 1187 1232 59.67 66.04 72.92 1168 1211 1255 64.59 71.21 78.35 1192 1235 1278 69.54 76.41 83.80 1216 1258 1301 74.52 81.64 89.28 1239 1280 1322 79.53 86.89 94.77 1262 1302 1344 84.59 92.18 100.30 1284 1324 1365 89.67 97.50 105.86
7041773770 4200 4400 1206 1255 63.77 71.16 1230 1278 69.18 76.75 1254 1300 74.72 82.50 1277 1323 80.35 88.35 1300 1345 86.03 94.27 1322 1366 91.73 100.22 1344 1388 97.46 106.20 1365 1408 103.20 112.20 1386 1429 108.97 118.22 1406 1449 114.77 124.26
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
402384359246945 2400 2600 2800 1112 1137 1165 56.57 61.55 67.18 1143 1165 1192 60.68 65.74 71.46 1173 1193 1218 64.91 70.04 75.83 — 1221 1244 — 74.44 80.31 — 1249 1270 — 78.95 84.89 — — 1322 — — 94.34 — — 1374 — — 104.19 — — — — — — — — — — — — — — — — — —
502985365157004 3000 3200 3400 1197 1232 1268 73.39 80.07 87.20 1222 1256 1291 77.82 84.72 92.09 1247 1279 1313 82.31 89.40 97.00 1272 1302 1335 86.88 94.12 101.94 1296 1325 1358 91.53 98.91 106.92 1345 1371 1401 101.14 108.69 117.00 1393 1417 1445 111.12 118.82 127.33 1442 1463 1488 121.46 129.31 137.97 — 1508 1531 — 140.16 148.95 — 1554 1574 — 151.33 160.28
603586371167064 3600 3800 4000 1306 1345 1385 94.78 102.86 111.45 1328 1366 1406 99.92 108.24 117.07 1349 1387 1426 105.08 113.65 122.72 1371 1408 1446 110.27 119.08 128.40 1392 1428 1465 115.47 124.53 134.10 1434 1468 1504 125.97 135.50 145.57 1475 1508 1542 136.61 146.57 157.11 1516 1547 1580 147.48 157.77 168.75 1557 1586 1617 158.62 169.17 180.50 1597 1625 1654 170.08 180.81 192.43
704177377077124 4200 4400 4600 1426 1468 1510 120.60 130.33 140.67 1446 1487 1529 126.46 136.43 147.01 1466 1506 1548 132.35 142.55 153.37 1485 1525 1566 138.27 148.71 159.76 1504 1544 1584 144.21 154.89 166.18 1542 1580 1620 156.17 167.34 179.11 1578 1616 1654 168.21 179.88 192.13 1615 1651 1688 180.33 192.49 205.24 1651 1686 1722 192.52 205.17 218.42 1686 1720 1755 204.83 217.93 231.66
8047783830 4800 5000 1553 1597 151.64 163.25 1572 1615 158.22 170.08 1590 1632 164.83 176.94 1608 1650 171.46 183.81 1625 1667 178.11 190.71 1660 1701 191.51 204.58 1694 1734 205.01 218.55 1727 1766 218.60 232.62 1760 1798 232.28 246.79 1792 1830 246.03 261.03
8718390536 5200 5400 1640 1685 175.54 188.52 1658 1702 182.62 195.86 1675 1719 189.73 203.22 1692 1736 196.85 210.59 1709 1752 203.99 217.98 1742 1785 218.34 232.82 1775 1816 232.79 247.75 1806 1847 247.34 262.77 1838 1878 261.98 277.88 — 1868 — 276.71
centrifugal backward inclined blower

Arrangement #3 — DWDI — Class I & II

centrifugal backwardly inclined blower

RPM 3

centrifugal backwardly inclined ventilatorTIP SPEED (FPM) = 11.65 x RPM OUTLET 20.494 Sq. Ft. Inside MAX. HP = 70.8{473/4" x 623/8" Outside (1000 )

WHEEL DIAMETER = 441/2" INLET 24.10 Sq. Ft. Inside MAX. RPM{ 471/2" Dia. Outside CL.1 898

CL.2 1171

CL.3 1475

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
16395 18445 20494 800 900 1000 245 264 284 1.01 1.23 1.50 268 285 304 1.35 1.62 1.92 289 305 322 1.71 2.01 2.34 310 324 340 2.08 2.41 2.78 331 343 357 2.47 2.82 3.22 351 361 374 2.89 3.25 3.68 380 391 — 3.70 4.14 — 424 — — 5.15 — — — — — — — — — — — — — —
225432459326642 1100 1200 1300 304 325 346 1.80 2.15 2.55 323 343 363 2.26 2.65 3.08 341 359 379 2.72 3.15 3.62 357 375 394 3.20 3.66 4.17 373 391 408 3.68 4.18 4.72 389 405 422 4.16 4.70 5.28 404 420 436 4.66 5.23 5.85 435 448 463 5.69 6.31 7.00 465 476 489 6.79 7.44 8.18 503 514 — 8.64 9.40 —
28692 30741 32790 1400 1500 1600 367 389 411 3.01 3.53 4.11 383 404 425 3.57 4.12 4.74 399 419 439 4.15 4.74 5.39 413 433 453 4.74 5.36 6.05 427 446 466 5.33 5.99 6.72 440 459 478 5.92 6.62 7.39 453 471 490 6.53 7.26 8.06 479 496 513 7.75 8.56 9.43 503 519 535 8.99 9.88 10.83 527 542 557 10.27 11.21 12.23
34840 36889 38939 1700 1800 1900 433 456 478 4.77 5.49 6.29 447 468 490 5.42 6.18 7.02 460 481 502 6.10 6.89 7.76 473 493 514 6.80 7.63 8.52 485 505 526 7.51 8.37 9.30 497 517 537 8.22 9.12 10.09 509 528 548 8.93 9.87 10.88 531 550 569 10.37 11.39 12.47 553 571 589 11.84 12.92 14.08 574 591 608 13.32 14.48 15.72
40988 45087 49186 2000 2200 2400 501 546 592 7.18 9.20 11.60 512 557 602 7.94 10.04 12.51 524 567 612 8.71 10.87 13.42 535 578 621 9.50 11.73 14.34 546 588 631 10.32 12.60 15.27 557 598 640 11.14 13.50 16.23 568 608 650 11.97 14.40 17.20 588 628 668 13.64 16.23 19.17 608 646 685 15.32 18.06 21.17 627 664 702 17.03 19.91 23.17
53284 57383 61482 2600 2800 3000 638 685 732 14.44 17.74 21.50 647 693 739 15.39 18.71 22.53 657 702 747 16.38 19.78 23.64 665 710 755 17.36 20.84 24.79 674 718 763 18.36 21.90 25.93 683 726 770 19.37 22.98 27.07 692 735 778 20.41 24.07 28.22 709 751 793 22.52 26.30 30.57 726 767 808 24.66 28.59 32.99 742 782 823 26.82 30.90 35.44
65581 69680 3200 3400 778 825 25.74 30.51 786 832 26.89 31.81 793 839 28.03 32.97 800 846 29.24 34.24 808 853 30.47 35.54 815 860 31.68 36.83 822 867 32.89 38.12 836 880 35.36 40.71 850 893 37.90 43.36 864 907 40.48 46.07
VOL. CFM VEL. FPM OUTLET 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
266422869230741 1300 1400 1500 539551564 10.70 11.59 12.58 598 608 — 14.42 15.45 — 652 — — 18.56 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
327903484036889 1600 1700 1800 578 594 610 13.66 14.82 16.06 620 634 648 16.61 17.88 19.25 662 673 686 19.76 21.08 22.53 703 712 722 23.12 24.49 25.99 750 759 — 28.09 29.64 — 796 — — 33.47 — — — — — — — — — — — — — — — — — — — — — — — — — —
389394098845087 1900 2000 2200 627 645 681 17.36 18.75 21.78 664 680 715 20.70 22.24 25.57 700 715 747 24.11 25.78 29.41 735 748 778 27.63 29.40 33.30 770 781 809 31.32 33.15 37.25 804 815 839 35.20 37.07 41.29 839 848 869 39.25 41.17 45.48 881 899 — 45.43 49.83 — 929 — — 54.34 — — 959 — — 58.99 — —
4918653284 57383 2400 2600 2800 719 758 797 25.18 28.99 33.22 751 788 826 29.26 33.36 37.90 781 817 854 33.40 37.79 42.62 810 845 881 37.59 42.28 47.40 839 872 907 41.82 46.81 52.23 868 899 932 46.10 51.38 57.10 896 925 957 50.45 56.00 62.02 923 951 982 54.91 60.66 66.96 951 977 1006 59.51 65.41 71.95 979 1003 1030 64.25 70.26 77.00
61482 65581 69680 3000 3200 3400 837 878 920 37.92 43.10 48.83 865 905 946 42.90 48.40 54.42 892 931 971 47.92 53.73 60.06 918 956 995 52.99 59.10 65.73 943 980 1018 58.11 64.51 71.44 967 1003 1041 63.29 69.97 77.19 991 1026 1063 68.50 75.48 82.99 1015 1049 1084 73.75 81.03 88.83 1038 1071 1106 79.03 86.61 94.72 1060 1093 1126 84.34 92.23 100.64
73778 7787781976 3600 3800 4000 962 1004 1048 55.13 62.06 69.65 987 1028 1070 61.00 68.19 76.03 1011 1051 1092 66.95 74.43 82.54 1034 1074 1114 72.93 80.72 89.14 1057 1096 1135 78.95 87.05 95.77 1078 1117 1156 85.00 93.40 102.43 1100 1138 1176 91.08 99.79 109.12 1121 1158 1196 97.22 106.21 115.84 1141 1178 1215 103.39 112.67 122.60 1162 1198 1234 109.61 119.18 129.39
8607590174 4200 4400 1091 1135 77.95 86.98 1113 1156 84.56 93.82 1134 1176 91.33 100.84 1155 1196 98.21 107.99 1176 1216 105.15 115.22 1196 1236 112.13 122.50 1215 1255 119.12 129.81 1235 1274 126.15 137.15 1254 1292 133.20 144.51 1272 1310 140.29 151.89
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
491865328457383 2400 2600 2800 1006 1028 1054 69.15 75.24 82.12 1034 1054 1078 74.17 80.36 87.35 1061 1079 1102 79.34 85.61 92.69 1104 1125 — 91.00 98.16 — 1130 1149 — 96.50 103.76 — 1196 — — 115.32 — — 1243 — — 127.35 — — — — — — — — — — — — — — — — — — — —
614826558169680 3000 3200 3400 1083 1114 1147 89.70 97.87 106.59 1106 1136 1168 95.12 103.55 112.56 1128 1157 1188 100.61 109.27 118.57 1150 1178 1208 106.19 115.05 124.61 1172 1199 1228 111.88120.90 130.69 1216 1240 1267 123.62 132.86 143.01 1260 1282 1307 135.83 145.24 155.64 1304 1323 1346 148.47 158.06 168.64 1348 1364 1385 161.61 171.32 182.07 1406 1423 — 184.97 195.91 —
737787787781976 3600 3800 4000 1181 1217 1253 115.86 125.72 136.23 1201 1236 1272 122.14 132.30 143.10 1221 1255 1290 128.45 138.92 150.01 1240 1273 1308 134.78 145.56 156.95 1259 1292 1325 141.15 152.22 163.92 1297 1328 1360 153.97 165.63 177.93 1334 1364 1395 166.99 179.15 192.04 1371 1399 1429 180.27 192.85 206.26 1408 1434 1463 193.89 206.78 220.63 1445 1469 1496 207.90 221.01 235.21
860759017494272 4200 4400 4600 1290 1328 1366 147.41 159.31 171.95 1308 1345 1383 154.57 166.76 179.69 1326 1363 1400 161.77 174.25 187.47 1343 1379 1417 169.01 181.77 195.28 1360 1396 1433 176.27 189.33 203.13 1394 1429 1465 190.89 204.54 218.93 1428 1461 1496 205.61 219.87 234.85 1461 1493 1527 220.42 235.28 250.87 1493 1525 1558 235.33 250.78 266.98 1525 1556 1588 250.37 266.38 283.17
98371102470 4800 5000 1405 1444 185.35 199.55 1422 1460 193.40 207.90 1438 1476 201.47 216.28 1454 1492 209.58 224.68 1470 1508 217.71 233.11 1501 1538 234.09 250.06 1532 1568 250.59 267.14 1562 1598 267.21 284.34 1592 1627 283.92 300.00 1621 1655 300.00 320.00
106569110668 5200 5400 1484 1524 214.56 230.43 1500 1539 223.23 239.41 1515 1555 231.91 248.40 1531 1570 240.62 257.42 1546 1585 249.35 266.45 1576 1614 266.89 284.59 1605 1643 284.54300.00 1634 1671 300.00 320.00 1662 1698 320.00 340.00 1690 — 340.00 —
high pressure fan

Arrangement #3 — DWDI — Class I & II

high pressure ventilator

RPM 3

high pressure centrifugal blowerTIP SPEED (FPM) = 12.83 x RPM OUTLET 24.85 Sq. Ft. Inside MAX. HP = 114.7{525/8" x 691/8" Outside (1000 )

WHEEL DIAMETER = 49" INLET 29.22 Sq. Ft. Inside MAX. RPM{ 521/4" Dia. Outside CL.1 815

CL.2 1063

CL.3 1340

VOL. CFM OUTLET VEL. FPM .25 S.P. .375 S.P. .5 S.P. .625 S.P. .75 S.P. .875 S.P. 1 S.P. 1.25 S.P. 1.5 S.P. 1.75 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
19880 22365 24850 800 900 1000 223 240 258 1.22 1.50 1.81 243 259 276 1.64 1.96 2.32 263 277 293 2.07 2.43 2.84 282 294 309 2.52 2.92 3.37 300 311 324 2.99 3.42 3.91 319 328 340 3.50 3.94 4.46 345 355 — 4.49 5.02 — 385 — — 6.24 — — — — — — — — — — — — — —
2733529820 32305 1100 1200 1300 276 295 314 2.18 2.61 3.09 293 311 329 2.74 3.21 3.74 309 326 344 3.30 3.82 4.39 324 341 358 3.88 4.43 5.06 339 355 371 4.46 5.06 5.73 353 368 384 5.05 5.70 6.41 367 381 396 5.64 6.34 7.09 395 407 420 6.89 7.65 8.49 422 432 444 8.24 9.02 9.91 457 467 — 10.48 11.40 —
34790 37275 39760 1400 1500 1600 334 353 373 3.65 4.28 4.99 348 367 386 4.33 5.00 5.74 362 380 399 5.04 5.75 6.53 375 393 411 5.74 6.50 7.34 388 405 423 6.46 7.26 8.14 400 417 434 7.18 8.03 8.96 412 428 445 7.92 8.81 9.78 435 450 466 9.40 10.38 11.44 457 471 486 10.90 11.98 13.13 479 492 506 12.45 13.60 14.83
42245 44730 47215 1700 1800 1900 393 414 434 5.78 6.66 7.63 406 425 445 6.57 7.49 8.51 418 437 456 7.40 8.36 9.41 429 448 467 8.25 9.25 10.33 441 459 477 9.10 10.15 11.28 452 469 488 9.96 11.05 12.23 462 480 498 10.83 11.97 13.19 483 499 517 12.58 13.80 15.12 502 518 535 14.36 15.67 17.08 521 536 553 16.15 17.56 19.05
49700 54670 59640 2000 2200 2400 455 496 538 8.70 11.15 14.07 465 506 547 9.62 12.17 15.17 476 515 556 10.56 13.18 16.27 486 525 564 11.52 14.22 17.38 496 534 573 12.51 15.28 18.52 506 543 581 13.51 16.37 19.68 516 552 590 14.52 17.46 20.86 534 570 606 16.54 19.67 23.25 552 587 623 18.58 21.90 25.66 569 603 638 20.65 24.14 28.09
64610 69580 74550 2600 2800 3000 580 622 665 17.51 21.50 26.07 588 629 671 18.66 22.68 27.32 596 637 678 19.86 23.98 28.67 604 645 686 21.05 25.27 30.06 612 652 693 22.26 26.56 31.44 620 660 700 23.49 27.86 32.82 628 667 707 24.74 29.18 34.21 644 682 720 27.30 31.89 37.07 659 696 734 29.90 34.66 39.99 674 710 747 32.52 37.46 42.97
79520 84490 3200 3400 707 749 31.21 36.99 713 756 32.60 38.57 720 762 33.98 39.98 727 768 35.46 41.51 734 774 36.94 43.09 740 781 38.41 44.66 747 787 39.88 46.22 760 799 42.88 49.37 772 811 45.95 52.58 785 823 49.08 55.86
VOL. CFM OUTLET VEL. FPM 2 S.P. 2.5 S.P. 3 S.P. 3.5 S.P. 4 S.P. 4.5 S.P. 5 S.P. 5.5 S.P. 6 S.P. 6.5 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
323053479037275 1300 1400 1500 490 500 512 12.98 14.05 15.25 543 552 — 17.48 18.74 — 592 — — 22.50 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
397604224544730 1600 1700 1800 525 539 554 16.56 17.97 19.47 563 576 589 20.14 21.67 23.34 601 611 623 23.96 25.56 27.32 638 646 656 28.03 29.69 31.51 682 689 — 34.06 35.94 — 723 — — 40.58 — — — — — — — — — — — — — — — — — — — — — — — — — —
472154970054670 1900 2000 2200 570 586 619 21.05 22.74 26.41 603 618 649 25.10 26.97 31.00 635 649 678 29.23 31.26 35.66 667 679 707 33.50 35.65 40.37 699 710 734 37.97 40.19 45.16 730 740 762 42.68 44.95 50.07 762 770 789 47.59 49.92 55.14 800 817 — 55.08 60.42 — 844 — — 65.88 — — 871 — — 71.53 — —
59640 64610 69580 2400 2600 2800 653 688 724 30.53 35.15 40.28 682 716 750 35.48 40.45 45.95 709 742 776 40.50 45.82 51.68 736 767 800 45.58 51.26 57.47 762 792 824 50.71 56.76 63.33 788 816 847 55.89 62.30 69.24 813 840 869 61.17 67.89 75.19 839 864 892 66.58 73.55 81.19 864 887 914 72.15 79.31 87.24 889 911 936 77.91 85.19 93.36
74550 79520 84490 3000 3200 3400 761 798 835 45.97 52.26 59.20 786 822 859 52.02 58.68 65.98 810 846 881 58.11 65.15 72.82 834 868 903 64.25 71.65 79.70 856 890 924 70.46 78.21 86.62 878 911 945 76.73 84.83 93.60 900 932 965 83.05 91.51 100.63 921 952 985 89.42 98.24 107.71 942 973 1004 95.82 105.01 114.84 963 992 1023 102.26 111.82 122.02
89460 94430 99400 3600 3800 4000 874 912 951 66.85 75.25 84.45 896 934 972 73.96 82.68 92.18 918 955 992 81.17 90.24 100.08 939 975 1012 88.43 97.88 108.08 960 995 1031 95.72 105.54 116.12 979 1014 1050 103.06 113.25 124.20 999 1033 1068 110.44 120.99 132.31 1018 1052 1086 117.87 128.78 140.46 1037 1070 1104 125.36 136.61 148.65 1055 1088 1121 132.89 144.50 156.89
104370 109340 4200 4400 991 1031 94.51 105.46 1010 1049 102.52 113.75 1030 1068 110.74 122.26 1049 1087 119.08 130.94 1068 1105 127.49 139.71 1086 1122 135.95 148.53 1104 1140 144.43 157.40 1121 1157 152.95 166.29 1138 1174 161.50 175.21 1155 1190 170.10 184.17
VOL. CFM OUTLET VEL. FPM 7 S.P. 7.5 S.P. 8 S.P. 8.5 S.P. 9 S.P. 10 S.P. 11 S.P. 12 S.P. 13 S.P. 14 S.P.
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
596406461069580 2400 2600 2800 914 934 957 83.84 91.23 99.57 939 957 979 89.93 97.43 105.90 964 980 1000 96.20 103.80 112.38 1003 1022 — 110.33 119.02 — 1026 1043 — 117.00 125.80 — 1086 — — 139.82 — — 1129 — — 154.41 — — — — — — — — — — — — — — — — — — — —
7455079520 84490 3000 3200 3400 984 1012 1042 108.76 118.67 129.23 1004 1031 1060 115.33 125.55136.48 1024 1051 1079 121.99 132.49143.76 1044 1070 1097 128.76 139.50151.09 1065 1089 1115 135.66 146.59 158.46 1105 1126 1151 149.89 161.08 173.40 1145 1164 1187 164.69 176.09 188.71 1184 1202 1222 180.02 191.65 204.48 1224 1239 1257 195.94 207.72 220.76 1276 1293 — 224.27 237.54 —
89460 94430 99400 3600 3800 4000 1073 1105 1138 140.47 152.44 165.17 1091 1122 1155 148.09 160.41 173.51 1108 1139 1171 155.74 168.43 181.88 1126 1156 1188 163.42 176.48 190.30 1143 1173 1204 171.14 184.56 198.75 1178 1206 1236 186.69 200.82 215.74 1212 1238 1267 202.47 217.22 232.85 1245 1271 1298 218.57 233.82 250.09 1279 1303 1329 235.08 250.71 267.51 1312 1334 1359 252.07 267.97 285.18
104370 109340 114310 4200 4400 4600 1172 1206 1241 178.73 193.16 208.48 1188 1222 1256 187.42 202.19 217.87 1204 1237 1271 196.15 211.27 227.30 1220 1253 1286 204.92 220.39 236.78 1235 1268 1301 213.73 229.56 246.29 1266 1298 1330 231.45 248.00 265.44 1297 1327 1359 249.30 266.58 284.74 1326 1356 1387 267.25 285.27 300.00 1356 1385 1415 285.33 300.00 320.00 1385 1413 1442 300.00 320.00 340.00
119280 124250 4800 5000 1276 1312 224.73 241.94 1291 1326 234.49 252.07 1306 1341 244.28 262.23 1321 1355 254.11 272.42 1335 1369 263.97 282.64 1363 1397 283.82 300.00 1391 1424 300.00 320.00 1419 1451 320.00 340.00 1446 1477 340.00 370.00 1472 1503 360.00 390.00
129220 134190 5200 5400 1348 1384 260.15 279.39 1362 1398 270.66290.27 1376 1412 281.19300.00 1390 1426 291.74310.00 1404 1439 300.00 320.00 1431 1466 320.00 350.00 1458 1492 350.00370.00 1484 1517 370.00 390.00 1509 1542 390.00 410.00 1535 — 410.00 —
industrial backwardly curved fan air handling fan

Arrangement #3 — DWDI — Class I & II

air handling fan ventilator

Contact NIS-CO today to find out more about our full line of world class backward inclined blowers to meet all of your industrial blower fan needs. Our backward inclined blowers are used in both commercial and industrial applications and are used all over Canada and the United States. Our Industrial Blowers and Large Industrial Fans come in both Direct Drive Blower and Belt Drive Blower configurations. You can also choose between forward curve blowers and backward inclined blowers, depending on your needs. We also carry a range of Canada Blower centrifugal blower fans which are high rated and high temperature blowers. We also carry a wide range of propeller fans, plenum fans, large industrial fans which can come in both belt drive and direct drive configurations.