Pneumatic And Hydraulic Equipment Page 912

A4VSO AXIAL PISTON VARIABLE DISPLACEMENT PUMP Ordering code Variable displacement pump for open circuits, Axial piston, swashplate design Model A4VSO Sizes 40 to 250, Series 1 and 3 Nominal pressure up to 5100 PSI Maximum pressure up to 5800 PSI Swashplate design Infinitely variable displacement Good self priming suction characteristics Continuous operating pressure 5100 psi (350 bar) Low noise level Excellent service life Drive shaft able to accept axial and radial loading Good power to weight ratio Compact modular design Short control times Over-center design (swallow circuits) Swivel angle indicator standard Installation positional optional Pressure-and flow control DFR (see RE/RA 92060) This control maintains a constant flow through a flow valve regardless of operating conditions. Overriding this flow control is a mechanically adjustable pressure control. Optional: Orifice in X-chamber closed (DFR1) Flow control FR (see RE/RA 92 060) This control maintains a fixed pressure drop over a flow valve, installed in the service line, thus maintains a constant flow. Optional: Remote pressure control (FRG) Orifice in X-chamber closed (FR1, FRG1) Summary of Controls Pressure control DR (see RE/RA 92 060) Maintains a max. pressure level in a hydraulic system. Setting range 290-5100 psi (20-350 bar) Optional: Remote control (DRG) Rexroth hydraulics (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 912 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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