Vickers | PVB20-FRSFW-20-CM-11
PVB20-FRSFW-20-CM-11
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The PVB20-FRSFW-20-CM-11 pump belongs to the PVB Piston Pumps series and is produced by Vickers for hydraulic automation circuits. It is an axial piston design with a geometric displacement of 42.80 cm³ per revolution, which yields 75.7 L/min at 1800 r/min. Shaft rotation is clockwise to suit right-hand drive layouts. A CM pressure compensator adjusts displacement to hold system pressure within set limits. The displacement zone located on one side of center defines the swashplate operating range for directing piston stroke. These parameters establish predictable flow and pressure behavior in industrial hydraulic power units.
In operation the unit handles an outlet pressure up to 210 bar while the inlet side is limited to 1.0 bar, protecting the charge path from cavitation. Input power reaches 29.4 kW when the pump supplies rated flow at 210 bar and 1800 r/min, so drive selection must accommodate 39.5 hp. The fluid stream must meet a cleanliness level of 20/18/14 to guard the piston assembly from abrasive wear, and the housing materials are compatible with mineral oil, water-glycol, or invert emulsion hydraulic media. Ambient service temperatures can fall to −20 °C and rise to +70 °C, allowing installation in unconditioned equipment rooms. These limits ensure the pump maintains performance across wide climatic variations without compromising life.
Technical Specifications
Cleanliness Class
20/18/14
Compatible Fluids
Mineral Oil; Water Glycol; Invert Emulsion
Control Type
Pressure Compensator (CM)
Displacement Zone
One Side of Center
Flow @ 1800 R/min
75.7 L/min (20.0 gpm)
Geometric Displacement
42.80 cm3/rev (2.61 in3/rev)
Input Power @ 210 Bar, 1800 R/min
29.4 kW (39.5 hp)
Max Ambient Temperature
+70 C (+158 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)
Pump Type
Axial Piston
Shaft Rotation
Clockwise (RH)
1620 Old Apex Road
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