... ,A4VSO250,A4VSO300,A4VSO355,A4VSO370\A4VSO500 Product details: A4VSO variable piston pump can completely take the place of the German Rexroth ... variable pump, which is specially designed for the high efficiency hydraulic drive with open loop.1.Wildly applied for ceramic press, refractory ... and weight proportion 8.Connected shaft structure, and combine a pump by piling up.9.The flux of the hydraulic ...