pneumatic conveying blower 1.purify water and air 2. ... making,spinning,vacuum packing,paper making,aquaculture,sewage treatment,pneumatic conveying,etc2.Three lobes roots blower major specifications Bore ... -belt cover,Blower Pulley,Motor Pulley,V-belt,Inlet Silencer(with air filter),Safety Valve,Pressure Gauge,Lubricating Oil, ... ,non return valve.Contact three lobes roots type pneumatic conveying blower