♣ Brief intro.

 1. Krupp stainless steel fan blade by punch forming, no dust, attractive and durable. 

2. Fan belt pulley high strength aluminum-magnesium alloy by die-castting,reducing the weight of blade impeller 

  complete, high corrosion resistance. 

3. Both China famous motor and Siemens motor are available. Motor voltage and frequency can be customized.  

   Chinese famous motor OEM by special design for fan, the first put in the phase lack protection device which 

    would power off  when shortage of electricity. 

4. Fan bearing adopts imported double-row bearing  with special waterproof design.

5. Belts are Japanese Mitsubishi brand,  long service life, maintenance free.

6. High strength nylon swung drop hammer opening device to ensue the shutters opening andclosing flexibly.

 7. Size includes: 620*620*400mm / 750*750*450mm / 780*780*420mm / 780*780*400mm / 830*830*400mm /

    900*900*400mm / 1000*1000*400mm / 1100*1100*400mm / 1220*1220*400mm / 1380*1380*400mm / 1530*1530*400mm.

  ♣ Technical Parameters of  DJF(a) Series Swung Drop Hammer Exhaust Fan

 ♣  Air Flow Curve

♣ Installation Diagram 

                                                  Exhaust Fan installed for Factory Ventilation

            Exhaust Fan  installed for Greenhouses Ventilation