air coolers ventilation fan exhuast fan blower

This is our double shutter type exhaust fan.The exhaust fan has many advantages:
1)Fan frame has made in automatic process line, especially thick galvanized layer with extremely corrosion resistance.
2)High strength aluminum-magnesium alloy, reasonable angle, biggest air flow.
3¡¨High precise microcomputer aided manufactured system, noise testing, running testing, speed rate testing, total affection testing.
4¡¨Different materials upon customersÿ?demand, iron, FPR, ABS engineer plastic. could unload the safe net easily as the CAD optimized.
5¡¨Adopt automatic belt tensioned so that it will not pine and drop and reduce the failure rate.
The specifications:
Model specifications Diameter blades mm Blades rotational speed rpm Motor rotational speed rpm Air flow m/h Total pressure Noise decibels Import power Rated voltage High mm Width mm Thick mm
DJF(b)-830 720 600 1400 18000 60 ÿ?0 370 380 830 830 370
DJF(b)-900 750 590 1400 20000 65 ÿ?5 370 380 900 900 370
DJF(b)-1000 900 570 1400 26000 70 ÿ?0 555 380 1000 1000 370
DJF(b)-1100 1000 550 1400 28000 70 ÿ?0 555 380 1100 1100 370
DJF(b)-1220 1100 430 1400 30000 73 ÿ?0 750 380 1220 1200 370
DJF(b)-1380 1250 410 1400 35000 56 ÿ?0 750 380 1380 1380 370
DJF(b)-1530 1400 300 1400 44000 60 ÿ?0 1100 380 1530 1530 370
we also produce swung drop hammer exhaust fan ,centrifugal shutter system exhaust fan,double shutter type exhaust fan,cone fans,hanging exhaust fan ( cow house exhaust fan.) and air circulation fans,Welcome you to our Web:http://www.wfsanhe.com. My e-mail:[email protected]