Axial fan motor with external rotor motor 1) Voltage: 115V, 220V, 380V. 2) Frequency: 50/60HZ 3) Fan blade diameters: 250/300/350/400/450/500/550/600/630/700/750mm 4) 2, 4, 6 or 8 poles 5) Single-phase or three-phase 6) Speed: 1360/1380/1... - Update: 2009-10-16

We are the professional producer of greenhouse fans. The shutter utilizes its automatic controlling equipments to let shutter blade automatically open and close, thus it can reach the purpose of dustproofwaterproof and effect of perfect. The seri... - Update: 2009-10-16