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The V2010 1F12S4S 1AA12 hydraulic pump belongs to the Square Vane Pumps series from Vickers and supplies fixed-displacement flow for automated hydraulic machinery. Its clockwise rotation, viewed from the shaft end, aligns with common engine or motor drives. A 2-bolt SAE B mounting flange supports quick interchange on standard adapters, and the 4-bolt flange inlet port gives a rigid suction connection. The shaft has a major diameter of 0.875 in, matching B-size couplings. At the shaft end the pump moves 2.38 in³ per revolution, yielding 12 gpm at 1200 rpm and 100 psi to feed primary actuators. This section operates safely to 2200 psi and 2400 rpm, defining the pressure and speed limits for continuous duty.
On the cover end, displacement is 0.80 in³ per revolution, which produces 4 gpm at the same baseline speed and pressure for auxiliary circuits. The cover side endures up to 2500 psi and 3000 rpm, providing extra margin for transient loads. Fluid exits this side through a .750-16 UN-2B port that accepts SAE straight-thread fittings, while the shaft end uses a larger 1.0625-12 UN-2B outlet to handle its greater flow. Outlet port orientation is fixed with No. 2 located 135 degrees counter-clockwise and No. 1 opposite, allowing hoses to clear nearby structure and reducing bend stress during installation.
Cover-end Displacement
0.80 in3/rev
Cover-end Outlet Port
.750-16 UN-2B
Cover-end Rated Flow (1200 Rpm, 100 Psi)
4 gpm
Inlet Port Type
4-Bolt Flange
Max Pressure (cover End)
2500 psi
Max Pressure (shaft End)
2200 psi
Max Speed (cover End)
3000 rpm
Max Speed (shaft End)
2400 rpm
Mounting Type
2-Bolt Flange (SAE B)
Outlet Port Orientation
No.2 135 deg CCW; No.1 Opposite
Rotation
Clockwise (Viewed From Shaft End)
Shaft Major Diameter
0.875 in
Shaft-end Displacement
2.38 in3/rev
Shaft-end Outlet Port
1.0625-12 UN-2B
Shaft-end Rated Flow (1200 Rpm, 100 Psi)
12 gpm
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