air blower ventilation fan exhuast fan coolers

This is our swung drop hammer exhaust fan.The exhaust fan has many advantages:
1)The fan blade is stainless steel , big air volume, without distortion, no broken, attractive and durable.( adopting aluminum fan blade in the past, which had some problems caused by long time working of metal in the factory cooling, for example broken and air volume decreasing)¡»
2)Adopts automatic belt tensioners which can adjust up and tight so that the belt canÿ®t pine and drop
3)The strap wheel adopts more stiffening rib and processed by sandblasting, become attractive, eliminate the internal stress and increase own emphasis efficiently; France imported axletree(bearings), high intensity, low noise, long service life.
4)Variety sizes of shape and install conveniently.
5) Size of shape(blade): 780mm*780mm*420mm(27ÿ??ÿ?30mm*830mm*400mm(30ÿ??ÿ?00mm*900mm*400mm(31ÿ??ÿ?000mm*1000*400mm(39ÿ?ÿ?100mm*1100mm*400mm(40ÿ?ÿ?220mm*1220mm*400mm(43ÿ??ÿ?380mm*1380mm*400mm(50ÿ??ÿ?530mm*1530mm*400mm (55ÿ??eight kinds.
6)We can manufacture A type strap or B type belt according to the sale of dealer, and satisfy different needs of customers.
7)SANHE fans were adjusted by advanced computer balancing tester, to smooth operating, reduce noise, enhance stability, extend service life.
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(a)-780 710 960 960 23000 75 ÿ?0 750 380 780 780 420
DJF(a)-830 720 660 1400 22000 60 ÿ?0 550 380 830 830 400
DJF(a)-900 750 630 1400 28000 65 ÿ?5 370 380 900 900 400
DJF(a)-1000 900 610 1400 30000 70 ÿ?0 750 380 1000 1000 400
DJF(a)-1100 1000 600 1400 32500 70 ÿ?0 750 380 1100 1100 400
DJF(a)-1220 1100 460 1400 38000 73 ÿ?0 750 380 1220 1200 400
DJF(a)-1380 1250 439 1400 44000 56 ÿ?0 1100 380 1380 1380 400
DJF(a)-1530 1400 325 1400 55800 60 ÿ?0 1500 380 1530 1530 400
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]