... . Sauer PV of PV20,PV21,PV22,PV23,PV24 hydraulic axial variable displacement piston pump1. Heavy duty hydraulic piston pump2. Completely interchangeable ... /24 serie heavy duty piston pump and motor can work continuously with pressure 21Mpa under max. speed. 5. Peak pressure of ... : Sauer PV of PV20,PV21,PV22,PV23,PV24 hydraulic axial variable displacement piston pump