Vickers | PVB29LSFW20CM11
PVB29LSFW20CM11
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The PVB29LSFW20CM11 pump belongs to the Pressure Control Valves series produced by Vickers for hydraulic automation circuits. It is configured with a pressure compensator control (CM) so outlet flow remains stable under varying load. The compensator maximum setting of 1500 psi defines the highest differential it can maintain before trimming displacement. A maximum operating pressure of 3000 psi permits use in medium-pressure power units. Displacement is fixed at 61.6 cm³ per revolution, providing a deliverable volume that matches 29 gpm nominal flow when the shaft turns at 1750 rpm. This flow is generated in a counter-clockwise rotation when viewed from the shaft, which must be matched to prime mover direction. A shaft diameter of 1.25 in suits common spline or keyed couplings. The displacement change occurs on one side of center, allowing the compensator to reduce flow without reversing pump output.
Side ports of 1.25 in SAE-20 O-ring connections provide the inlet and outlet passages, and both ports share a 1-5/8-12 thread to fit standard hose assemblies. The port location on the side helps routing lines in horizontal power packs. A foot bracket mounting pattern holds the housing securely to a baseplate and resists reaction torque from the drive. Overall length of 353.9 mm must be allowed for when designing guards or enclosing frames. The unit weighs 57 lb, so lifting points or supports should be provided during installation. The outlet port size matching the inlet simplifies inventory of fittings, and the common seal style maintains leak-free service at full system pressure. With these physical attributes aligned to the pressure and flow characteristics noted earlier, the pump integrates cleanly into fixed-displacement circuits that need compensated delivery.
Technical Specifications
Compensator Max Setting
1500 psi
Control Type
Pressure Compensator (CM)
Displacement
61.6 cm3/rev (3.76 in3/rev)
Displacement Zone
One Side Of Center
Inlet Port Size
1.25 in SAE O-Ring (SAE-20)
Max Operating Pressure
3000 psi
Mounting
Foot Bracket
Nominal Flow (1750 Rpm)
29 gpm
Outlet Port Size
1.25 in SAE O-Ring (SAE-20)
Overall Length
353.9 mm
Port Location
Side Ports
Port Thread Size
1-5/8–12 (SAE-20)
Rotation (viewed From Shaft)
CCW
Shaft Diameter
1.25 in
Weight
57 lb
1620 Old Apex Road
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