ZYSR series roots blower widely used in electricity,petroleum,steel industry,smelling,food,oxygen making,spinning,etc ... 2130rpm ZYSR series roots blower applicationsZYSR series roots blower widely used in electricity,petroleum,steel industry,smelling,food,oxygen making,spinning, ... Pulley,Motor Pulley,V-belt,Inlet Silencer(with air filter),Safety Valve,Pressure Gauge,Lubricating Oil,Anchor Bolt.If you ...