JFD-600HE/900HE/1250HE HAMMER EXHAUST FAN
- Fan frame: it is formed in one step by advanced automatic processing technique, 275g/m2 zinc coating ensures good corrosion resistance, there are bottom holes for water drain.
- Pulley: aluminum alloy material, light, tensile, high-strength, and not easy to break.
- New design stainless blades are made one time twist punch. Fan blades are adjusted by intelligent dynamic-balance tester, the weight tolerance of each blade is controlled within 1g. to ensure the fan smooth running, lower vibration, less noise, increase stablity. Blade material have stainless steel, galvanized sheet, aluminum alloy for option.
- Shutter material is high strength galvanized plate, adopts the hammers to pen, windproof, rainproof and dust proof.
- Both China famous motor and Siemens motor are avaliable. Motor voltage and frequency can be customized. The phase lack protection device will power off the motor when short of electricity. Chinese famous motor OEM by special design for fan. Motors are CCC approved, lp55, insulation class F.
- Imported belt, long lasting, no deformation, and requires no maintenance.
- Frame and shutter material: 275g/m2 galvanized board, or Galvalume.