... 400v 5 Please call us for the detailed parametersFSR250G high pressure roots blowerKey Features 1, the product line using clover ... effectively reduce leakage and improve efficiency. 3, hardened by high-precision synchronous drive gear, imported bearings, equipment, long life ... , belt cover, fan, pulley, motor, pulley, V-belts, pressure gauge, suction silencer (with air filter), bolt, safety valve Fourth ...