1380mm Hammer Exhaust Fan

Yongsheng Hammer type exhaust fan material all used good quality row material. The fame made from the galvanized sheet or stainless steel material. Have long service life , warranty for 18 months. We have ten years experience on this fan’s manufacture. Our fan all have good quality and easy to install, has sale to lot’s of Country in the world.

Current and air flow test.
Blades
The blade forming a stamping process, no deformation , no broken , beautiful and durable ,never rust  calibrated by high-accuracy dynamic balance tester ,ensure the stable operation of the fan ,reduce noise and extend service life
The belt adopts belt automatic tightening facility to ensure the belt will not loose or drop
Hammer
Swung drop hammers which are made of high quality nylon would guarantee the shutter open and close easily and steadily
Bearing
bearing adopts imported double-row bearing with special waterproof design, high strength, lower noise, long service life
Impeller
The V-type belt pulley is cast with high intensity aluminum-magnesium alloy ,with light weight and high strength , lower vibration and attractive appearance , eliminate internal stress
Motor
Equipped with high efficient and energy-saving electrical motor which had passed the National CCC Certification Protection grade :IP55,Insulation grade: Grade F
Dynamic Balance machine test.
Yongsheng Fans were calibrated by advanced computer dynamic balance tester, to achieve smooth operation reduce noise, enhance stability and extend service life.