©Johnstone Supply eCatalog 216

VENTILATORS Exhaust & Supply

Medium-Duty Exhaust Fans • Designed for general ventilation in dusty, dirty and grease- or moisture-laden environments with low to moderate static pressure applications • Wire guard and venturi panel have baked-on, corrosion-resistant, gray polyester powder coated finish • Totally enclosed, sleeve bearing, 115V, 60 Hz motor • Medium-duty units feature a stamped aluminum blade propeller • Heavy-duty units feature a cast aluminum blade propeller • Optional wall shutters and intake guards available for all models • Wall collars and weatherhoods available for 24" models

Warning: OSHA-complying guards are required when fan is installed within 7' of floor, working level or within reach of personnel. Review OSHA codes. Performance ratings include the effects of guard and shutter in the airstream. Performance shown is for installation type A: free inlet, free outlet. Speed (RPM) shown is nominal. Performance is based on actual speed of test. The sound ratings shown are loudness values in fan sones at 5-Ft. (1.5M) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: free inlet fan sone levels.

Sones @ 0.125" SP

CFM @ 0.000" SP

CFM @ 0.125" SP

CFM @ 0.250" SP

CFM @ 0.375" SP Shipping Wt. Lbs. OEM Replacement Motor

Each

Order # Mfg. #

Prop. Diam. HP RPM F/L Amps

X89-842

2VLD1221 12"

1/30 1550 1.4 1/20 1550 1.6 1/4 1075 3.9 1/4 1075 4.9 1/4 1075 4.1

7.8

843

665 886

316 558

— 12 — 17

481457 481531 481931 482050 481931

385.00 519.00 819.00 915.00 1145.00

X89-843 2VLD1661 16" X89-844 2VLD18B1 18" X90-689 2VLD20B1 20" X90-690 2VLD24B1 24"

13

1,169 2,502 3,436 3,457

10.4 12.5 12.8

2,128 2,994 2,984

1,588 2,310 2,409

1,027 1,449 1,578

28 32 41

Dimensions (In.)

Optional Accessories

Wall Shutter Order #

Speed Controller Order #

Prop. Diam. (In.) A (Sq.)

B

C

D

E

F

12 16 18 20 24

16 20 22 24 28

5-3/16 6-3/16

3-11/16 4-7/16

2-1/2 2-3/4

12-3/8

3/4

X71-282 X71-282 G22-957 G22-957 G22-957

X89-823 X89-825 X89-827 X89-829 X90-515

16-7/16 9/16

8

6-1/6 7-1/2

2-15/16 18-7/16 1-1/2

9-5/8 8-1/2

3-3/16

20-1/2 24-3/8

11/16

6

3-5/8

1/2

Shutter Mounted Exhaust Fans • Designed for through-the-wall, low static pressure ventilation of stores, offices, factories, shops and farm buildings • Heavy-duty guards have corrosion-resistant gray polyester coating • 7" to 24" diameter aluminum blade propellers; 30" and 36" diameter galvanized steel blade propellers; 7" to 24" diameter are speed controllable • Totally enclosed sleeve or ball bearing 115V, 60 Hz motors • Guards comply with OSHA regulations • Shipped completely assembled with automatic shutters

Warning: OSHA-complying guards are required when fan is installed within 7 ft. of floor, working level or within reach of personnel. Review OSHA codes. Performance shown is for installation type A: free inlet, free outlet. Performance ratings include effects of birdscreens in the airstream. Speed (RPM) shown is nominal and performance shown is based on actual speed of test. The sone ratings at 5-ft. in a hemispherical free field per AMCA Standard 301.

Sones @ 0.000" SP

CFM @ 0.000" SP

CFM @ 0.125" SP

CFM @ 0.250" SP

Shipping Wt. Lbs.

OEM Replacement Motor

Each

Order # Mfg. #

Prop. Diam.

HP

RPM

F/L Amps

Shutter Mounted (Speed Controllable) X89-835 2SHE0721 7" 1/30 1550

1.4 1.4 1.4 1.5 1.2 4.6 3.7

4.8 6.6 7.6

142 583 800

—

— — — — —

9

481457 481457 481457 481531 480351 482050 481931

375.00 395.00 415.00 535.00 729.00 975.00 1099.00

X89-836 2SHE1021 10"

1/30 1/30 1/20 1/15

1550 1550 1550 1075 1075 1075

283 469 722 850

10 12 19 28 37 43 54 64

X89-837

2SHE1221 12"

X89-838 2SHE1621 16" X89-839 2SHE1871 18"

8

1,095 1,862 2,832 3,241 6,076 8,226

8.4

X90-676

2SHE20B1W 20"

1/4 1/4

11.3 11.7

2,254 2,485

1,234 1,111

X90-677 2SHE24B1W 24"

Shutter Mounted (Single Speed) X90-678 2SHE30C1 30" 1/3

825 825

4.4 5.6

13.5 14.7

4,195 6,482

2,150 2,935

481831 481501

1399.00

X90-679 2SHE36D1 36"

1/2

1499.00 see dimensions and accessories on next page

214

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