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The V20 1P11P 62C11L unit belongs to the Square Vane Pumps series manufactured by Vickers for fixed-displacement hydraulic circuits. It moves fluid at 36.4 cm³ for every revolution, supplying 11 US gpm when driven at 1200 rpm under a 100 psi back-pressure, so it suits low-speed industrial power packs. Counter-clockwise rotation viewed from the shaft end matches engines or motors that turn in the same direction, and the rotor can reach 2500 rpm without exceeding the mechanical balance limits. Fluid enters through a 1.25 in NPT suction port and exits through a 0.75 in NPT discharge port; both connections sit on the same axis to keep piping runs straight. A two-bolt SAE A flange positions the pump tightly against a drive pad or bracket, reducing alignment error during installation.
The casing tolerates working pressures to 172 bar (2500 psi), supporting medium-duty machine tools, presses, or mobile implements. Sealed bearings retain lubricant and block contaminants, while the standard cover encloses the cartridge assembly without optional flow-control inserts. A single-lip shaft seal contains system oil at the drive end and limits external leakage. Torque is transmitted through a 9-tooth spline cut to 16/32 DP, and the 30-degree pressure angle on those teeth spreads load evenly across the flank surface to minimize wear. Keeping the outlet in line with the inlet simplifies manifold design because hoses do not cross or twist, and the overall layout stays compact within crowded hydraulic reservoirs.
Bearing Type
Sealed
Cover Type
Standard Cover
Displacement
36.4 cm3/rev (2.22 in3/rev)
Inlet Port
1.25 in NPT
Max Pressure
172 bar (2500 psi)
Max Speed
2500 rpm
Mounting Type
2-Bolt Flange (SAE A)
Outlet Port
0.75 in NPT
Port Orientation
Inline With Inlet
Rated Flow @ 1200 Rpm (100 Psi)
11 US gpm
Rotation
CCW (viewed from shaft end)
Shaft Seal
Single Lip
Shaft Spline
9 Teeth (16/32 DP)
Spline Pressure Angle
30°
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