Direct Drive Roof Exhaust Fans – Industrial
Low Maintenance. Simple operation. Industrial Grade. CJB Model AM. Direct Drive Roof Exhaust Fans – Industrial. Made in America. Designed for general ventilation. Smoke removal. Fume removal. Lower cost and less maintenance. Industrial Roof Ventilators Direct Driven, Industrial Roof Ventilators, Industrial Roof Exhaust Fans, Direct Drive Roof Exhaust Fans – Industrial
Carl J. Bush Company – USA (Since 1929). Industrial Roof Exhaust Fans Direct Drive Upblast. CJB Fans since 1929. PHONE: (248) 276-8400

CJB Model AM Direct Driven Roof Exhaust Fans Sizes 18″ to 60″. Pictured with NEMA-3R Disconnect Switch.

Industrial Roof Ventilators. Model AM Direct Driven Roof Exhaust Fan. Motor in the airstream. Economical choice for general ventilation. CJB Fans
Sizes 18″ to 60″
– Designed for general ventilation and smoke and fume removal where lower cost and less maintenance are a priority
– Explosion Proof Construction available
– Cast Aluminum Fan Propellers Standard
Industrial Roof Ventilators Direct Driven – High Quality – Made in the USA
BladeDia. | Model | Prop | HP | RPM | Free Air | 1/8”SP | 1/4” SP | 3/8”SP | 1/2″SP |
18” | AML-18-1/4 | CA107 | ¼ | 1140 | 2570 | 2263 | 1673 | 1136 | 854 |
AM-18-1/3 | CA232 | 1/3 | 1725 | 3375 | 3000 | 2600 | 2000 | 1400 | |
AM-18-1/2 | CA161 | ½ | 1725 | 4150 | 3850 | 3150 | 2800 | 1700 | |
AM-18-1 | CA107 | 1 | 1725 | 4600 | 4375 | 4080 | 3600 | 3000 | |
24” | AM-24-1/4 | CA130 | ¼ | 1725 | 5200 | 4200 | 2820 | 1050 | |
AM-24-3/4 | CA114 | ¾ | 1140 | 6900 | 6450 | 6265 | 5600 | 3300 | |
AM-24-1 | CA109 | 1 | 1725 | 7425 | 7000 | 6350 | 5850 | 5000 | |
AM-24-3 | CA114 | 3 | 1725 | 10,500 | 9800 | 9500 | 9100 | 8700 | |
30” | AML30-3/4 | CA113 | 3/4 | 1140 | 10,440 | 9750 | 8750 | 7640 | 6000 |
AMLL-30-1 | CA115 | 1 | 870 | 10,640 | 10,450 | 9800 | 9000 | 7900 | |
AML30-1-1/2 | CA127 | 1.5 | 1140 | 13,350 | 12,500 | 11,450 | 10,200 | 8000 | |
AML-30-2 | CA115 | 2 | 1140 | 14,000 | 13,750 | 12,900 | 11,850 | 10,450 | |
AM-30-3 | CA113 | 3 | 1725 | 16,000 | 15,350 | 14,700 | 13,850 | 12,900 | |
AM-30-5 | CA127 | 5 | 1725 | 17,750 | 17,500 | 17,150 | 16,700 | 16,200 | |
36” | AMLL-36-2 | CA163 | 2 | 870 | 17,600 | 16,500 | 15,200 | 13,620 | 11,400 |
AML-36-2 | CA117 | 2 | 1140 | 17,620 | 16,500 | 15,200 | 13,620 | 12,300 | |
AML-36-3 | CA221 | 3 | 1140 | 20,500 | 19,500 | 18,500 | 17,100 | 15,850 | |
AML-36-5 | CA198 | 5 | 1140 | 21,200 | 20,500 | 19,500 | 18,484 | 17,325 | |
42” | AML-42-5 | CA165 | 2 | 1140 | 17,964 | 17,277 | 15,326 | 13,990 | 12,351 |
AMLL-42-5 | CA199 | 5 | 870 | 24,500 | 23,100 | 21,900 | 20,500 | 18,600 | |
AML-42-5 | CA119 | 5 | 1140 | 28,970 | 27,960 | 26,840 | 25,700 | 24,200 | |
48” | AML-48-3 | CA137 | 3 | 1140 | 28,600 | 26,500 | 24,400 | 22,000 | 20,000 |
AMLL-48-5 | CA138 | 5 | 870 | 33,000 | 31,500 | 29,750 | 27,650 | 25,300 | |
AMLL-48-7.5 | CA195 | 7.5 | 870 | 35,654 | 33,411 | 31,857 | 30,219 | 28,021 | |
AML-48-7.5 | CA139 | 7.5 | 1140 | 37,000 | 35,100 | 32,800 | 30,600 | 28,000 | |
AMLL-48-10 | CA140 | 10 | 870 | 46,000 | 44,000 | 41,000 | 39,000 | 36,000 | |
AML-48-10 | CA138 | 10 | 1140 | 41,000 | 39,200 | 38,300 | 37,000 | 35,400 | |
60” | AMLL60-5 | CA169 | 5 | 870 | 45,200 | 41,500 | 37,000 | 33,000 | 26,000 |
AMLL60-7.5 | CA228 | 7.5 | 870 | 47,000 | 45,500 | 43,600 | 41,000 | 38,700 |