Vickers | PVB20-FLSFW-20-CM-11
PVB20-FLSFW-20-CM-11
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The PVB20-FLSFW-20-CM-11 piston pump belongs to the PVB Piston Pumps series from Vickers and is intended to supply hydraulic actuators in automated machinery. It carries design number 20, marking the construction version used in this model. A geometric displacement of 42.80 cm³ per revolution fixes the fluid volume moved each turn, and the displacement zone located on one side of center helps simplify neutral flow adjustment. The inlet port tolerates up to 1.0 bar, allowing connection to low-pressure reservoirs, while the outlet circuit can be loaded to 210 bar to drive medium-pressure cylinders. At 1800 revolutions per minute the unit produces a rated flow of 75.7 L/min, giving 20 gpm for systems that run at standard motor speeds. That same 1800 r/min is the maximum permitted shaft speed, and the shaft rotates anticlockwise when viewed from the shaft end to match common couplings.
The pump uses control design number 11, which defines the compensator elements that govern outlet pressure. It operates in ambient temperatures from −20 °C to +70 °C so it can be mounted in unconditioned enclosures, and it accepts hydraulic fluid between −20 °C and +80 °C to cover cold starts and heavy-duty cycles. A peak input power demand of 29.4 kW requires a 39.5 horsepower prime mover to avoid overload at full flow. The adjustable compensator allows a maximum pressure setting of 100 bar for normal service and can be dialed down to 17 bar for light-load applications, giving technicians a broad control range without exceeding the pump’s power envelope.
Technical Specifications
Control Design Number
11
Design Number
20
Displacement Zone
One Side Of Center
Geometric Displacement
42.80 cm3/rev
Max Ambient Temperature
+70 C (+158 F)
Max Fluid Temperature
+80 C (+176 F)
Max Inlet Pressure
1.0 bar (15 psi)
Max Input Power
29.4 kW (39.5 hp)
Max Outlet Pressure
210 bar (3000 psi)
Max Pressure Setting (cm)
100 bar (1500 psi)
Max Shaft Speed
1800 r/min
Min Ambient Temperature
-20 C (-4 F)
Min Fluid Temperature
-20 C (-4 F)
Min Pressure Setting (cm)
17 bar (250 psi)
Rated Flow @ 1800 R/min
75.7 L/min (20.0 gpm)
Shaft Rotation
Anticlockwise (shaft end)
1620 Old Apex Road
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