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The V10 1P5P 11A20 pump is manufactured by Vickers in the Square Vane Pumps series and delivers pressurized fluid for hydraulic automation. Its displacement of 16.4 cm³ per revolution defines the volume transferred with each shaft turn. A rated capacity of 5 US gallons per minute at 1200 rpm and 100 psi indicates typical flow for medium-duty circuits. The unit withstands operating pressures up to 172 bar, allowing it to support machines that require higher system pressure. Shaft speed may reach 3200 rpm so the pump can couple to fast-running prime movers without overspeeding. Clockwise rotation is set as the standard direction to match common engine outputs. The two-bolt SAE A flange provides a straightforward mounting interface, while fluid enters through a 1-inch NPT inlet and inlet pressure must not exceed 0.7 bar to avoid seal damage.
The design permits inlet vacuum down to 5 in Hg, reducing risk of cavitation when the reservoir is below the pump. Discharge leaves through a 1/2-inch NPT outlet located opposite the inlet, simplifying hose routing on side A of the housing. Bolt holes measuring 11.1 mm allow standard fasteners to secure the body. An 82.55 mm pilot diameter centers the flange to maintain shaft alignment during installation. Drive torque is transferred via a 16/32 diametral pitch spline, and the 0.623-inch major diameter ensures firm engagement with mating shafts.
Bolt Hole Diameter
11.1 mm (0.44 in)
Displacement
16.4 cm3/rev (1.00 in3/rev)
Inlet Port
1 in NPT
Max Inlet Pressure
0.7 bar (10 psi)
Max Inlet Vacuum
5 in Hg
Max Operating Pressure
172 bar (2500 psi)
Max Speed
3200 rpm
Mounting
2-Bolt Flange (SAE A)
Outlet Port
1/2 in NPT
Outlet Port Position
Opposite Inlet (A)
Pilot Diameter
82.55 mm (3.250 in)
Rated Capacity
5 USgpm (1200 rpm, 100 psi)
Rotation
Right-Hand (Clockwise)
Spline Diametral Pitch
16/32 DP
Spline Major Diameter
0.623 in
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