industrial ventilation fan

2012 BEIJING VIVChina is already scheduled for September 23-25th in Beijing new China international exhibition center.We RDER company will also take part in the exhibition. Hope that the new and old customers to come to our exhibitor. CONTACT PHONE :  15908027865

1.High quality system 
2.Reasonal price 
3.SGS authentication 
4.National --Standard motor or Siemens motor

 Professional manufacturer of  Centrifugal Shutter System Exhaust Fan in China

Centrifugal exhaust fan description:

1) Adopt the this system which open and close automatically when the fan works.

2) Centrifugal shutter system and other fitting of shutter made of 66 nylon,100% raw material, high strength, and long service life.

3) The inner steel fitting install in the flange, increasing the security, avoid the stretching change when Nylon system operates.

4) Adopt the injection molded Stainless steel blade ,blades are made by 430/201/304 stainless steel, mirror face

5)V-belt, A -type belt, imported from Korea

6)Shutters, galvanized board, 1 mm thickness while the middle piece thickness 1.2mm. Galvanizing layer ,120kg/square meters

 Centrifugal exhaust fan use the special motors from motors factory,confirm the high quality,and no burning for ever