Main Usage:It is suitable for ventilating，air exchanging for industrial and mining enterprises，agriculture, civil construction, textiles，chemicals，metallurgy，refrigeration equipments，etc..

Design features:

* It adopts the advanced technology and designed based on the SFII series to be the generation III products.

* Jointly developed with Shanghai Jiaotong University, the blade adopts 3D optimization design，using toothed blades，and operates with lower noise，the wheel hub is made of integral die casting.

* The impeller is formed by connecting the blades and the hub with bolts .The weight is light, quick start, large air volume，and high e衍ciency.

* The motor adopts an enlarged model，the appearance of which uses a 3D design and better air flow performance.

* The transported medium is air and other gases that do not ignite spontaneously and are harmless to the human body and do not corrode the steel.No viscous materia}is allowed in the gas，dust and hard particles are not more than 150mg/m³，and the medium temperature must not exceed 60℃.