... operationWidely used in chemical industry, electroplating, oxidation, power plants, laboratory,PCB,environmental protection equipment,contains corrosive gas ... 4) Widely used in chemical industry, electroplating, oxidation, power plants, laboratory, PCB, environmental protection equipment, contains corrosive gas ... other inflammable gases and explosive gas. Model No.Power(Kw)Speed(r/min)Volume Flow(m3/h ...