This is our air circulation exhaust fan.The exhaust fans are widely used in poultry,greenhouse and workshop.The exhaust fan has many advantages:
1)The motor is ��Haier�� specially-devised with remarkable performance. It has been tested for 36 hours by Hair laboratory.
2) It has been equipped with advanced whole air reduced device, internationally advanced power-saving technology and automatically heat protected system
3) The light weight aluminum punch fan blades with large angle, large wind output and low noise
4) The motor adopts punch outer crust and bearing roll with low noise. Life time is long.
5) Its parts are punched with thin steel board of high quality, good performance, light weight, elegant appearance and easy to be installed.
6) CAD optimized devised wind output: 840-8700m3/hour.
7) The outer size has hauling and vertical canister, and outer frame can be stainless steel or steel spraying. It can easily meet the requirements of the different customers

The air circulation exhaust fan's specifications:
Model specifications phrase Rated voltage(v) frequency (hz) Power(w) Rotational (r/min) Air flow (m/h) Weight (kg)
TAD25-4 Single 220 50 30 1400 840 4.6
TAD30-4 Single 220 50 35 1400 1080 5.6
TAD35-4 Single 220 50 45 1400 2280 6.5
TAD40-4 Single 220 50 60 1400 2280 8.5
TAS40-4 Three 380 50 60 1400 2280 8.5
TAD50-4 Single 220 50 350 1400 5700 13
TAS50-4 Three 380 50 350 1400 5700 13
TAD60-4 Single 220 50 600 1400 8700 21
TAS60-4 Three 380 50 600 1400 8700 21
we also produce other kinds of exhaust fans.Welcome you to our Web:http://www.wfsanhe.com. My e-mail:sanhejixie@yahoo.cn