... water treatment, sewage treatment, air purifying, aquaculture, pneumatic transport, vacuum packing, combustion-supporting, pressure charging, foundry, mine, metallurgy, light industry, building materials ... : 0.44-180m3/minOutlet Diameter: 50-300mmPressure: 9.8-98kpaDischarge Pressure:0.1-1.0kgf/cm2Motor Power: 0.55-315kw Standard ...