Industrial Roof Exhaust Fans

Mild Steel, 304 Stainless Steel, 316 Stainless Steel, Hot-Dipped Galvanized, Epoxy Coated and High Temperature construction.

High quality, Heavy Duty, Industrial Grade Roof Exhaust
and Supply-Air Roof Ventilator Fans. Made in the USA.
  • Model DRV Direct Driven Roof Exhaust Fans
  • Model BRV Belt Driven Roof Exhaust Fans
  • Model AM Direct Driven Roof Exhaust Fans
  • Model BRV8 Roof Exhaust Fans
  • Model 1900-B Belt Driven Roof Exhaust Fans
  • Accessories and Options
Model DRV Direct Driven Roof Exhaust Fan

Click Here for Model DRV Direct Driven Roof Exhaust Fan Drawing

Model DRV Direct Driven Roof Exhaust Fans

APPLICATION - Model DRV Direct Driven Roof Exhaust Fans are used where it is acceptable to have motor directly in the air stream. When air stream temperatures exceed 104 Deg. F., special higher temperature motors must be used.

OUTSTANDING FEATURES
  • CONNECTING FLANGE AVAILABLE on Inlet of Fan, for direct connection to your duct system. Perfect for connecting to Spray Booth or Paint Booth ductwork.
  • Model DF Tube Axial Duct Fans are standard in DRV Models.
  • Ruggedly constructed with heavy steel base and galvanized damper section.
  • Also available in Stainless Steel, Aluminum or Hot Dipped Galvanized Construction.
  • EXPLOSION PROOF CONSTRUCTION AVAILABLE
  • PROTECTIVE COATINGS AVAILABLE – for use in HIGH CORROSION AND ACID APPLICATONS. Mill & Chemical Duty Motors and Epoxy or Eisenheiss Coatings offer strong protection against corrosive atmospheres.
  • Fan Drum continuously welded to Curb Cap to prevent leakage.
  • Very little maintenance required. Easy access to Motor and Propeller by removing
    bolts on damper section.
  • Cast Aluminum and Steel Propellers available.
  • Damper Section bolts to fan for easy removal.
  • Dampers rotate in Nylon Bearings on a Stainless Steel Axial.

Explosion Proof construction available - perfect for Spray Booth and Paint Booth Exhaust

Model No. H.P. Fan Size Fan R.P.M. No. Blades Free Air Capacity C.F.M.
1/8" SP 1/4" SP 3/8" SP 1/2" SP 3/4" SP 1" SP 1-1/4" SP
DRV18-1/4 1/4 18" 1725 4 3450 3050 2500 1200 --- --- --- ---
DRV18-1/3 1/3 18" 1725 6 3375 3000 2600 2000 1400 --- --- ---
DRV18-1/2 1/2 18" 1725 6 4150 3850 3150 2800 1700 --- --- ---
DRV18-1 1 18" 1725 6 4600 4375 4080 3600 3000 2100 1550 ---
DRV24-1/4 1/4 24" 1725 2 5200 4200 2820 1050 --- --- --- --
DRVL24-1/3 1/3 24" 1140 6 4975 4690 4250 3920 2850 --- --- ---
DRV24-1/2 1/2 24" 1725 4 6510 5880 5200 4150 3100 1800 --- ---
DRVL24-3/4 3/4 24" 1140 6 6900 6450 6265 5600 3300 --- --- ---
DRV24-1 1 24" 1725 6 7425 7000 6350 5850 5000 3300 1775 ---
DRV24-2 2 24" 1725 6 9525 9196 8810 8360 7980 6960 3000 ---
DRV24-3 3 24" 1725 6 10500 9800 9500 9100 8700 7800 5000 3600
DRV27-1/2 1/2 27" 1725 4 7550 6820 6000 5100 4000 2000 --- ---
DRV27-1 1 27" 1725 4 9600 9000 8400 7775 7050 4800 --- ---
DRV27-2 2 27" 1725 6 11500 11200 10700 10000 9300 8000 5900 3600
DRV30-1/2 1/2 30" 1725 4 8980 7650 6300 5400 4350 2300 --- ---
DRVL30-3/4 3/4 30" 1140 6 10440 8750 8750 7640 6000 --- --- ---
DRV30-2 2 30" 1725 6 12000 11250 10450 9600 8700 6000 4100 ---
DRVL30-2 2 30" 1140 6 14000 13750 12900 1850 10450 2500 --- ---
DRV30-3 3 30" 1725 6 16000 15350 14700 13850 12900 10200 8000 6000
DRV34-1-1/2 1.5 34" 1725 4 13350 12100 10000 9100 7300 --- --- ---
DRV34-2 2 34" 1725 4 14850 13600 12100 10450 8800 4000 --- ---
DRVL34-2 2 34" 1140 4 15950 15100 13800 12500 11400 --- --- ---
DRVL34-3 3 34" 1140 3 19300 18290 17230 16000 14800 11614 4000 ---
DRV34-5 5 34" 1725 6 21000 19850 18900 18200 17500 14850 9300 ---
DRVL36-2 2 36" 1140 6 17620 16500 15200 13620 12300 8500 --- ---
DRV36-3 3 36" 1725 4 18500 17700 15700 15100 13900 11500 8550 ---
DRVL36-3 3 36" 1140 3 20500 19500 18500 17100 15850 11600 6500 ---
DRVLL42-1 1 42" 870 4 15800 15200 13480 12310 5800 900 --- ---
DRVL42-2 2 42" 1140 4 17964 17277 15326 13990 12351 7600 --- ---
DRVLL42-2 2 42" 870 4 22040 2100 20500 18500 15000 6000 --- ---
DRVL42-3 3 42" 1140 4 24500 23150 23000 22000 19650 14000 10000 ---
DRVL42-5 5 42" 1140 4 28970 27960 26840 25700 24200 19500 13800 2000
DRVL48-3 3 48" 1140 4 28600 26500 24400 22000 20000 15900 11000 ---
DRVLL48-3 3 48" 870 4 28700 26500 24200 21600 18500 10000 --- ---
DRVLL48-5 5 48" 870 4 33000 31500 29750 27650 25300 18000 --- ---
DRVL60-3 3 60" 1140 2 40000 36300 31300 25300 17000 9000 --- ---
DRVL60-5 5 60" 1140 4 45000 41000 37000 33500 28500 16000 2500 ---
DRVLL60-7.5 7.5 60" 870 6 51000 49500 47250 43500 39375 30750 21375 16875
DRVLL60-10 10 60" 870 8 53800 51600 49200 47200 44400 38400 22200 100000
DRVLL60-15 15 60" 870 6 60750 58875 54375 51750 47625 42000 34500 29625
Model BRV Belt Driven Roof Exhaust Fans

Click Here for Model BRV Belt Driven Roof Exhaust Fan Drawing


Click Here for Model BRV-CS Belt Driven Roof Exhaust Fan Drawing

Fan Size A B C D E F
18" 18 24 33 2 1/2 8 12
24" 24 30 39 2 1/2 8 16
30" 30 36 45 2 1/2 8 18
34" 34 40 49 2 1/2 8 21
36" 36 42 51 2 1/2 8 22 1/2
42" 42 48 57 2 1/2 8 25
48" 48 54 63 2 1/2 8 25 1/2
60" 60 66 75 2 1/2 8 32

Model BRV Belt Driven Roof Exhaust Fans

APPLICATION - Model BRV Belt Driven Roof Exhaust Fans are used where it is necessary to have the motor removed from the air stream.

OUTSTANDING FEATURES
  • Model B Tube Axial Duct Fans are standard in BRV Models. In applications where excessive heat or moisture is present, Models BHT or BCS Tube Axial Duct Fans may be incorporated into the roof ventilator.
  • Ruggedly constructed with heavy steel base and galvanized damper section. Galvanized motor cover furnished with the roof ventilator.
  • Model BRV Roof Ventilators are also available in stainless steel, aluminum, and hot dipped galvanized construction.
  • Fan drum is continuously welded to curb cap to prevent leakage.
  • Belt tube is completely sealed to protect sheaves and belts from contaminated air.
  • Cast aluminum and steel propellers are available.
  • Damper section bolts to fan for easy removal.
  • Dampers rotate in nylon bearings on a stainless steel axle.
  • Motor is located outside air stream on adjustable motor base.
  • Extended grease tube lines.
  • Damper sections may be purchased separately for existing stacks.

Explosion Proof construction available - perfect for Spray Booth and Paint Booth Exhaust

Model BRV Belt Driven Roof Exhaust Fans

Model No. H.P. Fan Size Fan R.P.M. No. Blades Prop. No. Free Air Capacity C.F.M.
1/8" SP 1/4" SP 3/8" SP 1/2" SP 3/4" SP 1" SP 1-1/4" SP 1-1/2" SP
BRV-18-1/3 1/3 18" 1725 6 CA145 3375 3000 2600 2000 1400 --- --- --- ---
BRV-18-1!2 1/2 18" 1890 6 CA145 3850 3500 3100 2500 2000 --- --- --- ---
BRV-18-3/4 3/4 18" 1600 6 CA107 4100 3985 3440 3050 2500 --- --- --- ---
BRV-18-1 1 18" 1725 6 CA107 4600 4375 4080 3600 3000 2100 1550 --- ---
BRV-18-1-1/2 1-1/2 18" 1990 6 CA1O7 5350 5060 4830 4550 3950 3000 2500 -- ---
BRV-24-3/4 3/4 24" 1600 6 CA144 6906 6510 5900 5440 4650 2750 --- --- ---
BRV-24-1 1 24" 1725 6 CA144 7425 7000 6350 5850 5000 3300 1775 --- ---
BPRRV-24-1-1/2 1-1/2 24" 1540 6 CA196 8200 7900 7650 7280 6850 5500 --- --- ---
BRV-24-2 2 24" 1600 6 CA114 9760 9114 8830 8460 8090 7000 4400 --- ---
BRV-24-3 3 24" 1725 6 CA114 10500 9800 9500 9100 8700 7800 5000 3600 ---
BRV-30-1 1 30" 1298 6 CA113 9897 8970 7980 6050 4120 --- --- --- ---
BPRRV-30-1-112 1-1/2 30" 1035 6 CA115 11100 10600 9700 8600 7500 3500 --- --- ---
BPRRV-30-2 2 30" 1176 6 CA115 12100 11660 11000 10121 9322 6700 --- --- ---
BRV-30-3 3 30" 1350 6 CA115 13480 12982 12498 12042 11465 10380 9470 7500 ---
BRV-30-5 5 30" 1650 6 CA115 16440 15832 15242 14686 13982 12659 11550 9200 ---
BRV-34-2 2 34" 1027 6 CA146 14657 13652 12590 11500 10000 8000 --- --- ---
BRV-34-3 3 34" 1175 6 CA146 17580 16750 15896 14600 14095 12000 9500 --- ---
BRV-34-5 5 34" 1416 6 CA146 20500 19800 19000 18325 17500 16000 14200 12250 ---
BPRRV-36-3 3 36" 930 6 CA198 17500 16800 15900 14740 14100 12200 --- --- ---
BPRRV-36-5 5 36" 1100 6 CA198 20600 19950 19200 18500 17800 16020 14300 --- ---
BPRRV-36-7-1/2CS 7-1/2 36" 1250 6 CA198 22500 21900 21200 20750 20050 19008 17000 15200 ---
BPRRV-42-2 2 42" 820 4 CA119 20700 18900 17002 14700 11400 4000 --- --- ---
BPRRV-42-3 3 42" 890 4 CA119 23700 22100 20200 18960 16970 9950 3600 --- ---
BPRRV-42-5 5 42" 850 6 CA199 26900 25600 24403 23450 22250 18400 13900 --- ---
BPRRV-42-7-1/2CS 7-1/2 42" 960 6 CA199 30800 29600 28500 27400 26200 23500 20500 16500 ---
BPRRV-42-1OCS 10 42" 1075 6 CA199 33300 32500 31500 30300 29500 27400 25100 22000 18000
BPRRV-48-5CS 5 48" 800 6 CA195 33000 31000 29400 27500 25670 20700 --- --- ---
BPRRV-48-7-1/2CS 7-1/2 48" 900 6 CA195 37500 35900 34500 32800 31200 27700 23000 --- ---
BPRRV-48-1OCS 10 48" 1000 6 CA195 41200 39700 38300 36900 35400 32400 29000 24400 ---
BPRRV-60-5CS 5 60" 690 4 CA143 45000 40800 36000 32150 26000 --- --- --- ---
BPRRV-60-7-1/2CS 7-1/2 60" 690 6 CA227 51000 49500 47250 43500 39375 30750 21375 16875 ---
BPRRV-60-1OCS 10 60" 650 6 CA21O 54000 51900 49000 46300 43200 36000 27000 --- ---
BPRRV-60-15CS 15 60" 730 6 CA21O 61000 59500 57000 55000 49000 46000 40000 32000 ---
Model AM Direct Driven Roof Exhaust Fans

Click Here for Model AM Direct Driven Roof Exhaust Fan Drawing
Fan Size A B C D E F
18" 19 24 33 2 1/2 3 16
24" 25 30 39 2 1/2 3 19
30" 31 36 45 2 1/2 3 22
36" 37 42 51 2 1/2 3 25
42" 43 48 57 2 1/2 3 27
48" 49 54 63 2 1/2 3 30
60" 61 66 75 2 1/2 3 42

Model AM Direct Driven Roof Exhaust Fans

APPLICATION - The Model AM Direct Driven Roof Fan meets the needs for a simple, efficient weatherproof closure for a vertical air discharge. Lid opens when fan is on, closed weather-tight when fan is off. Discharge air stream prevents entry of rain or snow. Lid pivot rods turn in nylon bearings; never require lubrication. Pane provides easy method of curb mounting.

OUTSTANDING FEATURES
  • Ruggedly constructed steel base including rolled venturi section standard. Galvanized damper section.
  • Cast aluminum propellers on most models. See fan performance chart for those using steel propellers.
  • Only industrial quality motors are used. Available in open drip proof, totally enclosed, and explosion proof.

Model AM Direct Driven Roof Exhaust Fans

Model & H.P. Prop. No. R.P.M. No. Blades Fan Dia. Free Air Capacity C.F.M.
1/8" SP 1/4" SP 3/8" SP 1/2" SP 3/4" SP 1" SP 1 1/4" SP
AML-18-1/4 S18-11 1140 4 18’ 2570 2263 1673 1136 854 384 - -
AM-18-1/3 CA106 1725 6 18’ 3375 3000 2600 2000 1400 - - -
AM-i B1 /2 MS-18-9 1725 6 18” 4133 3938 3724 3455 3132 1939
AM-18-i CA107 1725 6 18” 4600 4375 4080 3600 3000 2100 1550 -
AM-24-114 C130 1725 2 24’ 5200 4200 2820 1050 - - - -
AML-24-3/4 CAl 14 1150 6 24’ 6900 6450 6265 5600 3300 - - -
AM-24-1 CA1O9 1725 6 24” 7425 7000 6350 5850 5000 3300 1775 -
AM-24-3 CA114 1725 6 24’ 10500 9800 9500 9100 8700 7800 5000 3600
AML-30-3/4 CA113 1140 6 30’ 10440 9750 8750 7640 6000 - - -
AMLL-30-1 C115 870 6 30” 10800 10100 9100 8000 6360 - - -
AML-30-11/2 X30-8 1140 4 30” 10410 9686 8834 7816 6420 - - -
AML-30-2 CAllS 1140 6 30’ 14000 13750 12900 11850 10450 2500 - -
AM-30-3 CA113 1725 6 30’ 16000 15350 14700 13850 12900 10200 8000 6000
AM-30-5 X30-11 1725 4 30” 17750 17500 17150 16700 16200 15100 13750 12000
AMLL-36-2 CA163 870 4 36’ 17600 16500 15200 13620 11400 - - -
AML-36-2 CA117 1140 6 36” 17620 16500 15200 13620 12300 8500 - -
AML-36-3 CA129 1140 3 36” 20500 19500 18500 17100 15850 11600 6500 -
AML-36-5 X36-11 1140 4 36” 22600 21700 20500 19700 19000 14800 - -
AML-42-2 CA165 1140 4 42” 17964 17277 15326 13990 12351 7600 - -
AMLL-42-5 X42-11 870 4 42” 24500 23100 21900 20500 18600 12700 9100 -
AML-42-5 CA119 1140 4 42” 28970 27960 26840 25700 24200 19500 13800 -
AML-48-3 CA137 1140 4 48” 28600 26500 24400 22000 20000 15900 11000 -
AMLL-48-5 CAl 38 870 4 48” 33000 31500 29750 27650 25300 18000 - -
AMLL-48-71/2 X48-11 870 4 48” 35654 33411 31857 30219 28021 22628 15907 -
AML-48-71/2 CA139 1140 4 48” 37000 35100 32800 30600 28000 23000 17700 -
AMLL-48-iO CA14O 870 6 48” 39000 37300 35600 33600 32000 28000 17000 -
AML-48-iO CA138 1140 6 48” 41000 39200 38300 37000 35400 32400 29000 24000
AMLL6O-5 CA169 870 2 60” 45200 41500 37000 33000 26000 14000 - -
AMLL6O-71/2 CA228 870 6 60” 47000 45500 43600 41000 38700 33000 24000 -
AMLLL 60-10 CA21O 690 6 60” 54000 51900 49000 46300 43200 36000 27000 -
NOTE: TYPE X AND S PROPELLERS ARE STEEL TYPE CA PROPELLERS ARE CAST ALUMINUM
Model BRV8 Roof Exhaust Fans

Click Here for Model BRV8 Roof Exhaust Fan Drawing
Fan Size A B C D E F G
24" 25 30 39 2 1/2 3 19 16
30" 31 36 45 2 1/2 3 22 16
36" 37 42 51 2 1/2 3 25 18
42" 43 48 57 2 1/2 3 27 20
48" 49 54 63 2 1/2 3 30 21
54" 55 60 69 2 1/2 3 36 26
60" 61 66 75 2 1/2 3 42 28

Model BRV8 Roof Exhaust Fans

APPLICATION - The BRV8 Roof Exhaust Fan meets the need for a simple, efficient weatherproof closure for a vertical air discharge. Lid opens when fan is on, closed weather-tight when fan is off.  Discharge air stream prevents entry of rain or snow. Lid pivot rods turn in nylon bearings; never require lubrication. Panel provides easy method of curb mounting.

OUTSTANDING FEATURES
  • Ruggedly constructed steel base including rolled venturi section standard.
  • Steel propellers are standard. Cast aluminum propellers available on most models at diffrent fan speeds.
  • Self aligning pillow block bearings with locking collars.
  • V belt drive for quiet operation.

BRV8 Roof Exhaust Fans

Model No. H.P. R.P.M. Prop. No. Fan Dia. Free Air Capacity C.F.M.
1/8" SP 1/4" SP 3/8" SP 1/2" SP
BRV-824-1-1/3 1/3 780 S-24 24" 4900 4222 2807 1576 800
BRV-824-1/2 1/2 980 S-24 24" 6219 5716 5661 4043 2600
BRV-824-3/4 3/4 1140 S-24 24" 7090 6648 6144 5518 4413
BRV-830-1/2 1/2 640 S-30 30" 8507 7170 4486 2724 1373
BRV-830-3/4 3/4 770 S-30 30" 10235 9192 7657 5108 3833
BRV-830-1 1 975 X-30 30" 10668 9959 8626 6828 5184
BRV-830-1-1/2 1-1/2 1140 X-30 30" 12473 11867 11112 9656 8135
BRV-836-1/2 1/2 530 S-36 36" 10500 8821 5985 3642 2084
BRV-836-3/4 3/4 605 S-36 36" 11985 10583 8563 5545 4017
BRV-836-1 1 665 S-36 36" 13174 11932 10299 7913 5729
BRV-836-1-1/2 1-1/2 720 X-36 36" 13660 12012 9579 7240 5000
BRV-836-2 2 870 X-36 36" 16554 15376 14088 11942 9691
BRV-842-3/4 3/4 435 S-42 42" 14040 11530 7633 4847 3311
BRV-842-1 1 490 S-42 42" 15429 13194 10438 6414 4668
BRV-842-1-1/2 1-1/2 550 S-42 42" 17420 15421 13117 9980 7289
BRV-842-2 2 725 X-42 42" 20653 19128 17503 15264 11319
BRV-842-3 3 830 X-42 42" 23645 22296 20984 19406 17290
BRV-848-3/4 3/4 270 S-48 48" 17339 13700 7389 4238 2244
BRV-848-1 1 410 S-48 48" 19188 16078 10903 6378 4037
BRV-848-1-1/2 1-1/2 465 S-48 48" 21731 19010 14991 10950 7081
BRV-848-2 2 520 S-48 48" 24274 21943 19080 15532 10125
BRV-848-3 3 680 X-48 48" 28150 25683 23615 20820 16930
BRV-848-5 5 800 X-48 48" 33160 30900 29290 27380 25000
BRV-854-1 1 410 X-54 54" 23130 20588 17500 11640 9600
BRV-854-1-1/2 1-1/2 450 X-54 54" 25400 22600 19300 12782 10316
BRV-854-2 2 480 X-54 54" 27200 24312 20660 13642 11010
BRV-854-3 3 550 X-54 54" 31213 28722 25830 21730 15420
BRV-854-5 5 660 X-54 54" 37458 35238 32843 30298 26538
BRV-860-1-1/2 1-1/2 340 X-60 60" 28068 23203 15624 11434 8000
BRV-860-2 2 390 X-60 60" 32200 26710 17924 13118 9380
BRV-860-3 3 450 X-60 60" 37183 32356 25324 18705 15013
BRV-860-5 5 540 X-60 60" 44600 41232 35819 29000 23237
Model 1900-B Belt Driven Roof Exhaust Fans

Click Here for Model 1900-B Belt Driven Roof Exhaust Fan Drawing
Fan Size A B* C D
24" 30 54 x 64 30 39
30" 36 60 x 76 36 45
36" 42 72 x 82 40 51
42" 48 80 x 89 43 57
48" 54 87 x 95 46 63
54" 60 92 x 98 54 69
60" 66 90 x 107 56 75

Model 1900-B Belt Driven Roof Exhaust Fans

APPLICATION - The Model 1900 Belt Driven Roof Exhaust Fans are specially designed for use as an inexpensive exhaust or fresh air supply unit for industrial or commercial systems where low to medium static pressures are encountered.

OUTSTANDING FEATURES
  • Standard construction. May be used for exhaust or supply. Special units can be manufactured for both exhaust and supply.
  • Heavy industrial construction-steel base with aluminum hood. 1900 Series roof exhausters incorporate standard fans. Steel base is coated with cold galvanizing compound as standard.
  • Quiet operation.
  • Birdscreen included.
  • Self aligning pillow block bearings with locking collars.
  • Industrial quality motors - 1900 roof exhauster units are completely assembled and tested at factory before shipping.
  • Steel propellers standard. Cast aluminum propellers available.

Model 1900-B Belt Driven Roof Exhaust Fans Model 1900-B Belt Driven Roof Exhaust Fans

Model & H.P. Prop No. R.P.M. No. Blades Fan Dia. Capacity C.F.M.
0 1/8 1/4 3/8
1924-B-i/4 S24 780 4 24 4222 2807 1576 800
1924-B-i/2 S24 980 4 24 5716 5061 4043 2600
1924-B-314 S24 1140 4 24 6648 6144 5518 4413
1924-B-i X24 1250 4 24 6696 6271 5600 4464
1930-B-i13 S30 595 4 30 6380 3617 1808 767
i930-B-i/2 S30 640 4 30 7170 4486 2724 1373
1930-B-314 S30 770 4 30 9192 7657 5108 3833
1930-B-i X30 975 30 9959 8626 6828 5184
1930-B-i 1/2 X30 1140 4 30 11867 11112 9656 8135
1936-B-1/3 S36 460 4 36 6992 3722 1825 -
1936-B-i/2 S36 530 4 36 8821 5985 3642 2084
1936-B-3/4 S36 605 4 36 10583 8563 5545 4017
1936-B-i S36 665 4 36 11932 10299 7913 5729
1936-Bi 1/2 X36 720 4 36 12012 9579 7240 5000
1936-B-2 X36 870 4 36 15376 14088 11942 9691
1942-B-1/2 S42 390 4 42 9352 4957 3050 1642
i942-B-3/4 S42 435 4 42 11530 7633 4847 3311
1942-B-i S42 490 4 42 13194 10438 6414 4668
1942-B-ii/2 S42 550 4 42 15421 13117 9980 7289
1942-B-2 X42 725 4 42 19128 17503 15264 11319
1942-B-3 X42 830 4 42 22296 20984 19406 17290
1948-B-3/4 S48 370 4 48 13700 7389 4283 2244
1948-B-i S48 410 4 48 16078 10908 6378 4037
1948-B-i 1/2 S48 465 4 48 19010 14991 10950 7081
1948-B-2 S48 520 4 48 21943 19080 15532 10125
1948-B-3 X48 680 4 48 25683 23615 20820 16930
1948-B-5 X48 800 4 48 30900 29290 27380 25000
1954-B-i X54 410 4 54 20588 17500 =11640 9600
1954-B-i 1/2 X54 450 4 54 22600 19300 12782 10316
1954-B-2 X54 480 4 54 24312 20660 13642 11010
1954-B-3 X54 550 4 54 28722 25830 21730 15420
1954-B-S X54 660 4 54 35238 32843 30298 26538
1960-B-i X60 280 4 60 19161 12850 - -
1960-B-i 1/2 X60 340 4 60 23283 15624 11434 8000
1960-B-2 X60 390 4 60 26710 17924 13118 9380
1960-B-3 X60 450 4 60 32356 25324 18705 15013
1960-B-5 X60 540 4 60 41232 35819 29000 23237
1960-B-71/2 X60 610 4 60 47000 43000 40000 32000

FILTERS - Consult factory for some dimension changes when filters required.

VARIABLE PITCH PULLEYS

COATINGS - Epoxy or Eisenheiss provide good protection against corrosive agents.

DISCONNECT SWITCH

ROOF CURBS - With or without back draft dampers for flat, sloping or apex roofs.

DAMPERS - Gravity, counterbalanced, and motor operated.

(Exhaust and Supply Air Units)
Heavy Duty Industrial Construction

Available in Mild Steel and Stainless Steel, and High Temperature Construction
to 375° Fahrenheit.

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