Vickers | F3PVB20-FRS-20-CM-11
F3PVB20-FRS-20-CM-11
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The F3PVB20-FRS-20-CM-11 hydraulic pump is produced by Vickers within the PVB Piston Pumps series and supplies regulated oil flow for automated machinery. It is a variable displacement axial piston unit, allowing the system to modulate output without throttling and thus reduce energy loss. A pressure-compensator control designated CM maintains line pressure automatically so the pump backs off once demand is satisfied. At 1800 rpm it delivers 75.7 L/min, providing sufficient volume for medium-size circuits. The geometric displacement of 42.80 cm³ per revolution defines the oil transferred each shaft turn and helps size the prime mover. Maximum operating pressure is 210 bar, enabling use in 3000 psi industrial lines. When running at 1800 rpm and 210 bar it draws 29.4 kW, which guides motor selection. The pump tolerates drive speeds up to 3600 rpm, giving designers flexibility to match high-speed engines. Clockwise shaft rotation dictates correct mounting orientation and hose routing.
The displacement zone is on one side of center, a configuration that balances internal forces and simplifies porting on compact manifolds. A 125.0 mm flange pilot diameter aligns the housing accurately on SAE mounting faces for vibration control. Mounting holes bored to 18.25 mm accept standard bolts and secure the pump without adapters. The 32.0 mm shaft diameter transmits torque safely within the stated power range, while a 35.0 mm shaft key engages the drive coupling to prevent slip. The 10.0 mm square key size standardizes replacement parts across similar Vickers models. Ambient operation is permitted down to −20 °C, enabling cold-start capability in unheated facilities, and up to +70 °C so the unit remains reliable near hot machinery. These temperature limits, combined with the earlier pressure and speed data, outline the environmental envelope required for dependable hydraulic automation.
Technical Specifications
Control Type
Pressure Compensator (CM)
Displacement Zone
One Side of Center
Flange Pilot Diameter
125.0 mm (4.92 in)
Geometric Displacement
42.80 cm³/rev (2.61 in³/rev)
Input Power @1800 Rpm, 210 Bar
29.4 kW (39.5 hp)
Max Ambient Temperature
+70 C (+158 F)
Max Drive Speed
3600 rpm
Max Operating Pressure
210 bar (3000 psi)
Min Ambient Temperature
-20 C (-4 F)
Mounting Hole Diameter
18.25 mm (0.72 in)
Pump Type
Variable Displacement Axial Piston
Rated Output Flow @1800 Rpm
75.7 L/min (20.0 gpm)
Shaft Diameter
32.0 mm (1.26 in)
Shaft Key Length
35.0 mm (1.38 in)
Shaft Key Size
10.0 mm square (0.39 in)
Shaft Rotation
Clockwise
1620 Old Apex Road
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