... paper making,aquaculture,sewage treatment,pneumatic conveying,etc2.Three lobes roots blower major specifications Bore:50-200mm ... 8-122.6m³/minPressure: 9.8-78.5Kpa Motor Power:0.75-300kw Rotary speed:740-2130rpm3 ... include Common Base ,V-belt cover,Blower Pulley,Motor Pulley,V-belt,Inlet Silencer(with air filter ... joint,non return valve.4.Contact three lobes roots rotary lobe blower in China(manufacture)