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Propeller Fans

MODEL PVL EXHAUST FANS

Application

Economical fans for use in kitchens,

laundries, taverns, bakeries and also farm ventilation. Can be used anyplace where a smaller amount of ventilation is desired.

Features

General Construction – Constructed with an integral motor-fan guard mounted on a rugged steel panel. Aluminum blade assemblies are dynamically balanced and produce quiet, efficient air flow. Panels are painted in baked enamel.

Motors

All units with totally enclosed long hour duty shaded pole motors with permanently lubricated sealed sleeve bearings. All models except PVL-8 and PVL-10 can be mounted horizontally as well as in the vertical position. All nits are equipped with a terminal box for permanent wiring to a remote control switch.

Custom Features

The variable speed controller with a field adjustable control feature allows the user to set desired anti-stall or minimum speed levels. These speed controllers are available for all PVL exhaust fans.

Fan Performance and Dimensions

MODEL FAN CAPACITY -CFM MOTOR R.P.M. SHUTTER A B C D E SHIP
NO. DIA. FREE .1" 1/8" 1/4" H.P. HIGH SIZE WT.
AIR S.P S.P. S.P.
PVL-8 8" 400 325 273 - 1/50 1550 10 13 11-3/4 6 8-3/4 5/8 8
PVL-10 10" 600 515 490 - 1/50 1550 10 13 11-3/4 6 10-3/8 5/8 9
PVL-12 12" 1380 1270 1230 920 1/12 1650 12 20 18 6-7/8 12-1/2 1 25
PVL-16 16" 1700 1510 1460 925 1/12 1550 16 20 18 6-7/8 16-1/2 1 25

Performance shown is for PVL exhaust fans without ducts.

MODEL PVM AND PVH EXHAUST FANS

Application

Used for quiet ventilation of meeting

rooms, kitchens, industrial ventilation or equipment cooling. High quality fans for permanent installations with service free motors.

Features

General Construction

Models PVM and PVH are constructed with an integral motor-fan guard mounted on a rugged steel panel. All blade assemblies are dynamically balanced and operate at high efficiencies in the deep drawn venturi of the panel. Sturdy square panels designed for ease of installation over rough round, or square openings by means of 4 lag screws or bolts. It is recommended that shutters be mounted on outside of building to protect fan from weather and eliminate back-draft when fan is not operating. Complete fan unit finished in attractive baked enamel.

Motors

Standard motors furnished are totally enclosed air over. All motors are equipped with pre-lubricated sealed ball bearings to provide years of service and facilitate fan installation in any position. Single phase motors for PVM-16, 18 and 20 are split phase single voltage, 115 or 230 volts, both single and two speed. Single phase motors for PVH-16 and 18 are split phase single voltage, 115 or 230 volts. The PVH20 is 115/230 dual voltage. Three phase motors rated at 230/460 volts are also available on all models upon request.

Custom Features

Discharge guards for all models are available. For slight additional charge, special reverse flow fans are built for blowing into buildings.

Fan Performance Data

MODEL NO, MOTOR H.P. R.P.M. HIGH CAPACITY -CFM LOW SPEED MAX B.H.P.
F.A .1" S.P. 1/8" S.P. 1/4" S.P. 3/8" S.P. R.P.M. C.F.M. (F.A.)
PVM-16 1/8 1150 1950 1775 1730 1420 - 850 1440 .125
PVM-18 1/6 1150 2800 2635 2585 2300 - 850 2070 .166
PVM-20 1/3 1150 4050 3800 3750 3425 2650 850 2995 .370

Fan Dimensions

FA N D IA . A B C D E F RECO M D . S HUT TER S IZ E
16" 24 22 -1 /8 10-1/4 16-3 /4 1 2-7/16 1 7 X 1 7
18" 26 24 -1 /8 11-3 /16 18-3 /4 1 2-3/4 1 9 X 19
20" 28 26 -1 /8 12-5/8 20-3 /4 1 3 2 1 X 21

EXHAUST FANS ( HIGH SPEED)

Application

Used for industrial ventilation, laundries, kitchen exhaust and farm buildings where large volumes of air are required or where fans must operate against resistance, and may also be installed in duct installations where low static resistance is encountered.

Fan Performance Data

MODEL MOTOR FAN CAPACITY -C.F.M. MAX
1" 1/8" 1/4" 3/8" 1/2" 5/8" 3/4"
NO. H.P. R.P.M F.A S.P. S.P. S.P. S.P. S.P. S.P. S.P. B.H.P.
PVH-16 1/3 1750 2975 2865 2835 2675 2525 2400 - - .37
PVH-18 1/2 1750 4250 4150 4113 4000 3825 3625 3400 2900 .62
PVH-20 3/4 1750 6200 6025 5975 5775 5500 5350 5125 4900 1.15

MODEL PVI INDUSTRIAL EXHAUST FANS

Application

Used as heavy duty industrial ventilating fans in steel mills, machine shops, packing plants, etc. or in duct installations where static pressure up to one inch is encountered.

Features

General Construction

The panel and support arms are arc welded together for rugged construction. Blade assemblies are dynamically balanced and operate at high efficiency in the deep drawn venturi of the panel. The sturdy square panel is designed for ease of installation over rough round, or square openings by means of lag screws or bolts. Fan units are supplied with a heavy duty motor base which is adjustable to provide proper belt tension. Motor pulley is adjustable to provide lower fan speeds, if required. V-belt drives are selected with conservative ratings to give long service. Because of the complete ball bearing construction, fan units may be mounted in any position. Complete fan unit finished in attractive baked enamel.

Motors

Open drip proof continuous duty motors are standard equipment on all units. Totally enclosed and explosion proof motors are also available. Motors 1/3 HP through ¾ HP single phase, single and two speed, are resilient mounted ball or sleeve bearing. All other motors are ball bearing rigid mounted selected for quiet operation. Two speed motors 1750/1150 are available at extra cost.

Fan Bearings

Self-aligning, single row ball bearing pillow blocks rigidly support the fan on belt drive units. Computerized selections have been made on all bearings based on radial, thrust and combined loads to give 200,000 average life hours (AFMBA L50) at the maximum design RPM for each fan. Bearings selected have effective seals to retain the lubricant and to prevent against contamination. All have grease fittings for re-lubrication.

Custom Features

Special reverse flow fans for blowing air into buildings; inlet and discharge guards are optional features available for a slight additional charge. For installation in hazardous locations, fan units with explosion proof motors, non-ferrous blades and spark proof belts are available.

Fan Performance -Type PVI Belt Drive

Model No. Motor H.P. Fan R.P.M. Fan Dia. Free Air 1/10" 1/8" 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" 1" *Max B.H.P
PVI-24C 1/3 865 5890 5210 5050 .40
PVI-24D 1/2 991 6700 6140 6000 5060 .60
PVI-24E 3/4 1134 24" 7700 7200 7070 6390 5220 .90
PVI-24F 1 1248 8500 8010 7910 7300 6550 4800 1.20
PVI-24G 1-1/2 1429 9690 9300 9210 8720 8200 7410 6000 1.80
PVI-30D 1/2 730 8418 7550 7300 5800 .60
PVI-30E 3/4 835 9636 8900 8710 7550 6000 .90
PVI-30F 1 920 30" 10606 10000 9900 8820 7590 6100 1.20
PVI-30G 1-1/2 1052 12140 11600 11420 10610 9850 8600 7300 1.80
PVI-30H 2 1158 13362 12850 12725 12020 11250 10400 9300 8000 2.40
PVI-36E 3/4 526 11000 9989 9710 8050 .90
PVI-36F 1 579 12100 11200 10989 9600 7588 1.20
PVI-36G 1-1/2 663 36" 13850 13075 12900 11750 10400 8650 1.80
PVI-36H 2 729 15210 14512 14375 13625 12225 11000 9310 2.40
PVI-36J 3 837 17300 16830 16710 16190 15025 14100 13010 11540 3.60
PVI-42F 1 492 15790 14100 13720 11200 1.20
PVI-42G 1-1/2 563 18100 16700 16250 14250 11700 1.80
PVI-42H 2 620 42" 19900 18625 18300 16500 14550 11400 2.40
PVI-42J 3 710 22775 21650 21400 19750 18150 16500 13250 3.60
PVI-42K 5 840 27000 26100 25800 24650 23225 22000 20500 18750 6.00
PVI-48G 1-1/2 477 21870 19750 19250 16200 1.80
PVI-48H 2 525 24070 22200 21700 19100 16000 2.40
PVI-48J 3 601 48" 27550 25990 25500 23250 20800 18150 3.60
PVI-48K 5 713 32670 31325 31000 29150 27050 25000 22800 6.00
PVI-48L 7-1/2 815 37400 36150 35850 34450 32780 31190 29350 27250 9.00
PVI-54H 2 426 27750 25665 25085 21870 16100 2.40
PVI-54J 3 487 31720 29935 29440 26866 23580 17775 3.60
PVI-54K 5 578 54" 37650 36125 35750 33720 32480 28730 24760 17530 6.00
PVI-54L 7-1/2 662 43118 41815 41460 39775 37910 35915 33575 30560 26260 9.00
PVI-54M 10 726 47426 46300 45990 44400 42500 41000 39000 36650 34200 31150 12.00
PVI-60J 3 430 37120 34350 33610 29585 26255 3.60
PVI-60K 5 509 43940 41640 41015 37870 34310 29725 6.00
PVI-60L 7-1/2 583 60" 50325 48285 47810 45124 42270 39060 35210 27985 9.00
PVI-60M 10 642 55420 53600 53150 50720 48280 45540 42540 39030 33260 12.00
PVI-60N 15 735 63445 61887 61445 59390 57255 55125 52860 50245 47450 44250 18.00

*B.H.P. Does not include drive losses. Performance shown is for PVI exhaust fans without ducts.

Fan Dimensions -Type PVI
MODEL NO. FAN DIA. SHAFT DIA. FIG. A B C D E F G MAX. MOTOR
PVI-24 24" 3/4 I 34 31-3/4 15-3/4 24-3/4 1 3-5/8 4 145T
PVI-30 30" 3/4 I 40 37-3/4 19-1/8 30-3/4 1-1/4 3-3/4 6 184T
PVI-36 36" 1 I 46 43-5/8 20-1/4 36-3/4 1-1/2 4 6 184T
PVI-42 42" 1-3/16 I 52 49-5/8 19-5/8 42-3/4 1-3/4 4 6 213T
PVI-48 48" 1-3/16 II 58 49-1/2 23 48-3/4 1 4 8 215T
PVI-54 54" 1-7/16 II 60 52 23-1/4 55 2-3/4 5 8 215T
PVI-60 60" 1-7/16 II 66 58 24 61 2-3/4 5-1/2 8 254T

RECOMMENDED WALL OPENINGS FOR NIS-CO BLOWERS EXHAUST FANS AND REVERSE FLANGE SHUTTERS

Details and dimensions shown here are offered to coordinate the NIS-CO BLOWERS PROPELLER FANS shown in this catalog with shutters in Catalog 38

550. Shutter dimensions have been carefully matched to panel and venturi physical dimensions. Careful aerodynamic tests have been given both products to insure full catalog performance when purchased and installed as mated equipment. Dimensions shown on this page are intended as a guide only, and are subject to change. Certified dimensions will be furnished on request.

INSTALLATION GUIDES FOR MAXIMUM FAN PERFORMANCE

  1. Locate fan to blow with prevailing wind.
  2. 2.
    Fumes being removed must be replaced. Provide openings for entry of fresh air, intake areas must be at least 20% greater than exhaust fan orifice. Locate intakes to take advantage of prevailing winds.
    3.
    Locate fan with respect to intake to obtain maximum effect of fresh air sweeping over work areas.
    4.
    Consider possible suction effect of higher powered exhaust fans located in other areas that may oppose the new installation.
    5.
    DO NOT locate fans blowing opposite each other in a confined area

if it can be avoided. When unavoidable, separate by at least six fan diameters.

  1. Where steam, excessive heat and odors are encountered, locate fan as near ceiling as possible.
  2. If air over motor is hazardous, wet or corrosive, use an explosion proof motor. It may also be desirable to use an aluminum blade, or protective coatings.
  3. When quiet operation is a primary consideration, select a slow speed or two speed fan.
  4. When exhausting air in cold weather a source of tempered make-up air must be provided.
FAN S IZE 8 & 1 0 1 2 1 6 1 8 2 0 2 4 3 0 3 6 4 2 4 8 5 4 6 0
S H U TTE R S IZE 1 1 1 3 1 7 1 8 2 1 2 5 3 1 3 7 4 3 4 9 5 5 6 1
D IM "A" 11 13 17 19 21 25-1/2 3 2 3 8 43-1/2 49-1/2 5 5-1/2 61-1/2
D IM "B " 10-3 /4 1 2 -3/4 16-3/4 18-3 /4 2 0-3/4 2 5 3 1 3 7 4 3 4 9 5 5 6 1
D IM "C " - 1 2 -1/2 16-3/4 18-5 /8 2 0-7/8 2 5 31-3 /8 3 7-3/8 4 3 49-1/4 5 5 6 1
D IM "D " 13 20 20 26 28 34 40 46 52 5 8 60 66
D IM "E " - - 1-7/16 1-3/4 2 2-5/8 2 -3 /4 2 -1/2 2 -1 /4 2 2 -1 /4 2-3/4
DIM "F"* 6 6 6 6 6 6 8 9 1 0 1 2 1 4 15

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 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.



Northern Industrial Supply Company offers a full line of the following Industrial Blower Fan Products:



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