AC Backward Curved Centrifugal Fans

The fan consists of AC induction motor with external rotor and metal or plastic backward curved impeller, and has the following features: compact construction, light weight, high air flow, low noise/vibration and easy mounting, etc., the FHJ fans are widely used in ground-based electronic equipment, automatic control equipment, air purification, kitchen equipment, building exhousing, environment controlling, pollution air protection...etc.