4-72, B4-72, F4-72 type, is a medium pressure high flow centrifugal fan impeller backward wing-shaped leaves and cone curved plate after plate and flat composition. High efficiency, low noise, durable.
The machine can be used for general plant and all kinds of hotels, hotel central air conditioning system, gas delivery, kitchen exhaust, and the basement, theaters, meeting rooms, gymnasiums and other large buildings ventilation, cooling dust and so on.
Type: 2.8A ~ 20B 18 kinds of model specifications were
Airflow: 840 ~ 221700m ³ / h
Total pressure 198 ~ 3202Pa