Blades are made of high quality stainless steel by CNC TURRET PUNCH PRESS, attrac-tive and durable, special design of blade shape ensuring big air flow, no distortion, nobroken, passing the homeostasis test to ensure the air volume keeping the same as thevery beginning during the operational life span.

The bearing adopts special waterproof design of double-row bearing, high intension,low noise, maintenance-free and long service life.

Siemens motor or Chinese motor can be chose, high efficient and energy-savingwith ccc certificate. Protection class: lP55,Insulation class: F. The voltage,power, frequency and phase can be customized.

Fan installation diagram