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The V20F 1P13P 1B8G 22L pump belongs to the Square Vane Pumps series produced by Vickers and is applied in hydraulic automation circuits that require predictable flow at moderate pressures. Its displacement of 42.5 cm³ per revolution (2.59 in³ per revolution) establishes the volume moved each shaft turn, and a rated delivery of 13 US gpm when run at 1200 rpm and 100 psi gives a reference point for sizing actuators. The cover combines flow control and relief functions so circuit pressure and flow can be adjusted without external valving. A controlled flow of 8 US gpm is obtained through orifice number 8, allowing fixed metering for auxiliary branches. The unit mounts to a power source with a 2-bolt SAE A flange, and its counterclockwise rotation aligns with left-hand drive arrangements. An inlet threaded 1.25 in NPT connects to the suction line, while the outlet is positioned 90° counter-clockwise from the inlet to simplify hose routing.
The pump operates up to 152 bar (2200 psi) so it can supply cylinders or motors that demand medium working pressure, and an internal relief valve set to 121 bar (1750 psi) limits over-pressure during transient loads. A maximum speed rating of 2400 rpm defines the highest allowable drive input for continuous duty. Pressure delivery exits through a .750-16 UNF-2B port, providing a fine-thread connection that maintains seal integrity under vibration, and the return flow is routed to tank via a .500 NPT fitting that matches common reservoir hardware. A single lip shaft seal prevents external leakage along the drive shaft, maintaining system cleanliness and reducing maintenance. These parameters complete the hydraulic profile and confirm that the V20F 1P13P 1B8G 22L pump can deliver controlled flow and pressure within compact mobile or industrial installations.
Controlled Flow
8 USgpm (Orifice 8)
Cover Type
Flow Control & Relief
Displacement
42.5 cm3/rev (2.59 in3/rev)
Inlet Port
1.25 in NPT
Max Operating Pressure
152 bar (2200 psi)
Max Speed
2400 rpm
Mounting Type
2-Bolt Flange (SAE A)
Orifice Number
8
Outlet Port Position
90° CCW From Inlet
Pressure Port
.750-16 UNF-2B
Rated Delivery
13 USgpm (1200 rpm, 100 psi)
Relief Valve Setting
121 bar (1750 psi)
Rotation
Counterclockwise (Left)
Shaft Seal
Single Lip Seal
Tank Port
.500 NPT
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