Vickers | PVB20LSFW20CM11
PVB20LSFW20CM11
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The PVB20LSFW20CM11 piston pump is produced by Vickers as part of the PVB Piston Pumps series and supplies hydraulic power for automated machinery. It delivers 42.80 cm³ per revolution, yielding a rated flow of 75.7 L/min at 1800 r/min. The unit turns anticlockwise, so inlet port B and outlet port A line up with left-hand rotation plumbing. Both the inlet and outlet share a 1.625-12 UNF-2B thread, and the displacement is arranged on one side of center to suit the drive direction. A CM pressure compensator regulates system pressure without external valving, and the shaft can run safely up to 1800 r/min.
The housing provides two .750-16 UNF-2B case drain ports that return leakage oil to tank. Maximum inlet pressure is 1.0 bar, while outlet oil pressure is limited to 210 bar to protect internal parts. Service is allowed between −20 °C and +70 °C ambient, covering typical mobile and industrial environments. A locating diameter of 127.00–126.95 mm centers the pump on its mounting pad, and the drive shaft measures 31.75–31.70 mm with a 7.9 mm square key that is 31.7 mm long for secure torque transfer.
Technical Specifications
Case Drain Ports
2 x .750-16 UNF-2B
Control Type
CM Pressure Compensator
Displacement Zone
One Side Of Center
Geometric Displacement
42.80 cm3/rev (2.61 in3/rev)
Inlet/outlet Ports
1.625-12 UNF-2B
Locating Diameter
127.00/126.95 mm (5.000/4.998 in)
Max Ambient Temperature
+70 C (+158 F)
Max Inlet Pressure
1.0 bar (15 psi)
Max Outlet Pressure (oil)
210 bar (3000 psi)
Max Shaft Speed
1800 r/min
Min Ambient Temperature
-20 C (-4 F)
Ports (lh Rotation)
Inlet B, Outlet A
Rated Flow (1800 R/min)
75.7 L/min (20.0 gpm)
Rotation
Anticlockwise (Left-Hand)
Shaft Diameter
31.75/31.70 mm (1.250/1.248 in)
Shaft Key Size
7.9 mm square x 31.7 mm long
1620 Old Apex Road
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