Vickers | PVB20-RS-20-C-11
PVB20-RS-20-C-11
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The PVB20-RS-20-C-11 piston pump belongs to the PVB Piston Pumps series manufactured by Vickers for hydraulic automation circuits that require controlled flow and pressure. Its geometric displacement is 42.80 cm³ per revolution (2.61 in³/rev), allowing a predictable volume transfer each time the shaft turns. At 1800 r/min the unit supplies 75.7 L/min (20.0 gpm), and the design permits continuous operation at this maximum shaft speed. A clockwise rotation when viewed from the shaft end simplifies coupling with standard prime movers. The integrated pressure-compensator control, coded as type C, modulates swashplate angle to hold line pressure, and the outlet side tolerates up to 210 bar (3000 psi) for medium-pressure machinery.
Maximum input power reaches 29.4 kW (39.5 hp), guiding motor selection for full-load service. On the suction side the pump accepts inlet pressure up to 1.0 bar (15 psi) to keep cavitation margins. Its displacement zone is arranged on one side of center, a layout that affects port orientation inside compact manifolds. The ambient operating window extends from –20 °C (–4 °F) to +70 °C (+158 °F) for outdoor or unconditioned enclosures. When mineral oil is used, fluid temperature may be as high as +80 °C (+176 °F); with water-containing fluids the ceiling is +54 °C (+129 °F) and the minimum is +10 °C (+50 °F) to maintain viscosity and component life.
Technical Specifications
Control Type
Pressure Compensator (C)
Displacement Zone
One Side Of Center
Geometric Displacement
42.80 cm3/rev (2.61 in3/rev)
Input Power @ Max
29.4 kW (39.5 hp)
Max Ambient Temperature
+70 C (+158 F)
Max Fluid Temp (mineral Oil)
+80 C (+176 F)
Max Fluid Temp (water-containing)
+54 C (+129 F)
Max Inlet Pressure
1.0 bar (15 psi)
Max Outlet Pressure
210 bar (3000 psi)
Max Shaft Speed
1800 r/min
Min Ambient Temperature
-20 C (-4 F)
Min Fluid Temp (water-containing)
+10 C (+50 F)
Output Flow @ 1800 R/min
75.7 L/min (20.0 gpm)
Rotation (shaft End View)
Clockwise
1620 Old Apex Road
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