DC 48V Backward Curved Brushless draught fan/radial fan 175mm/centrifugal fan KD48-175UB/dc centrifugal fan

1. Impeller

The impellers of fans are the fruits of high-technology and advanced skill,which were made of PA66 plastic.

The blades have been applied with our own integral structure patent in China, which ensures the necessary rigidity and accuracy. The center-plate of impellers fit areo-dynamic profile. All impellers have passed balance test according to our own standard, which is higher than national standard.

2. Bearing

All bearings in fans are manufactured by brand name companies of Japan. These ball type shaft bearings are hermetically sealed, pre-greased and self-aligning, with wear-resisting, small friction , long life properties.

3. Motor

The motors inside are all newly external rotor motor with thermal protector inside and the insulation class of motor is F. We can also supply motors in other brand as client appointed.

4.Technical Features:

Control input 0~10VDC/PWM, tach outputLocked-rotor protection, reverse polarityCurrent limited, soft start

5. Application

This kind of centrifugal fan with casing is applied in roof fans, clean room technology and air handling units, ventilating devices.