1. Centrifugal fitting makes the shutter open and close automatically when the fan works
2. Centrifugal shutter system is made of NYLON. high quality engineering plastic , 100% raw material, high strengh, long service life.
3. Inner steel fitting install in the flange, increasing the security, avoid the stretching change when NYLON system operate.
4. Adopt the injection molded stainless steel blades, no broken, no distortion, aesthetic and durable.
5. The entire fan blades balance is checked by balance running machinery,ensure operating steady, low noise, long service life.
6. High quantity ALUMINUM-MAGNESIUM ALLOY inset design handle easy for carry, transport and installation.
7. We can supply V-belt as type A or type B, upon the different needs of customers
8. The high efficient and energy-saving motor passsed the national CCC certification. Also protection class:IP55. insulation class:F grades.
9. We can supply three sizes:DJF-750(24"), DJF-1000(36"),DJF(50")
2. Centrifugal shutter system is made of NYLON. high quality engineering plastic , 100% raw material, high strengh, long service life.
3. Inner steel fitting install in the flange, increasing the security, avoid the stretching change when NYLON system operate.
4. Adopt the injection molded stainless steel blades, no broken, no distortion, aesthetic and durable.
5. The entire fan blades balance is checked by balance running machinery,ensure operating steady, low noise, long service life.
6. High quantity ALUMINUM-MAGNESIUM ALLOY inset design handle easy for carry, transport and installation.
7. We can supply V-belt as type A or type B, upon the different needs of customers
8. The high efficient and energy-saving motor passsed the national CCC certification. Also protection class:IP55. insulation class:F grades.
9. We can supply three sizes:DJF-750(24"), DJF-1000(36"),DJF(50")