4-72 type ventilator performance parameters and steel plate adopts the polypropylene composite material, this series of fan may transport corrosive gas containing acid-base composition and chemical composition.Conveying gases are not allowed to contain a sticky, including dust and hard particles in 60 DHS or less, the series fan with high strength, light weight, not easy ageing, good corrosion resistance, low noise, smooth operation and other characteristics, is a kind of ideal universal anti-corrosion fan.This series of fan is widely used in oxidation, chemical, electroplating, power plants, laboratories, circuit board, environmental protection equipment and other places of contai

4-72 type ventilator