T35-11,BT35-11 series axial flow fan is the substitute products of 30K4 type. It adopts tubular type wheel structure, and its motor use remodel design, which reduce the 

flow losses in structure,making its design and performance more excellent.

It can be used as ventilator or heat dissipation in general factory, warehouse ,office and residence.If take off the cover of the fan ,it can be used as free fan. It can also be

installed in connections with intervals in long air-cooling exhaust steam pipe to improve the wind pressure of the pipe. BT35-11 type anti-explosion axial flow fan adopts anti-explosion device, and choose explosion-proof motor. Therefore, it can be installed in places which contain non-corrosive flammable and explosive gas as anti-explosion ventilation equipment. Anti-explosion or anti-corrosion axial flow fan, if you need, please inform us in advance.