Sanhe Brand Small Shutter Fan, Poultry House Fan Exhaust Fan
YUYUNSANHE New Swung Drop Hammer Exhaust Fan
----------------Top Quality in Asia !
1). 6 pieces blades,made of excellent stainless steel material;
2). Improve the frame quality,adopt hot-galvanized steel,which can avoid rust effciently.
3).Produced totally by ourself,use CAD process,which not only guarantee the quality,but also enable us to offer the best price for you.
4).Size includes: 1380*1380*400mm .
5).Lower noise <=65db.
6).Working way: drop hammer system,which can enable users for long period using.
1.Stainless steel Blades'Diameter extends to 1270mmfrom 1250mm,Increase the air volume while Dimension keeps same;
2.Extended blades increase air volume by 10%,Innovated small shutters & New type sealing rotational device can improve the efficiency by 30%.
3.Shutters are improved into 11pcs in small size from old 8pcs big type,which facilitate the shutters' opening & closing.
4.Adopt double layer new type sealing device,which is more firm & makes the better sealing compared with old single layer.
5.Special wear-proof casing design in our innovated sealing device change the rotational arm friction way to avoid the friction with the fans' frame,which effectively solve the unsmooth opening,bad sealing of shutters when stop the fans.