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The V20 2P9P 1A11 vane pump belongs to the Square Vane Pumps series from Vickers and supplies pressurized hydraulic fluid to actuators in automated machinery. Its displacement of 29.7 cm³ per revolution establishes the volume moved each shaft turn, giving designers a fixed basis for flow calculations. Under 1200 rpm and 100 psi it delivers 34 L/min, providing steady flow for medium-duty circuits, while at the maximum 2800 rpm and full pressure the flow rises to 75 L/min for short-term high demand. That performance requires 26.5 kW of input power, so the prime mover can be matched accurately. Right-hand clockwise shaft rotation aligns with standard electric motors, and the arrangement avoids cross-porting errors during installation.
The pump tolerates operating pressures up to 172 bar, allowing use in presses or injection molds that need elevated force. On the suction side it accepts positive inlet pressure to 0.7 bar or a vacuum down to 5 in Hg, limits that prevent cavitation while accommodating flooded or tank-top mounting. Fluid enters through a 1.25 in NPT inlet and exits through a 0.750 in NPT outlet, simplifying pipe selection with widely available thread sizes. The outlet is positioned opposite the inlet in orientation A, which eases hose routing in compact manifolds, and the body port is set at 12 o’clock for consistent case drainage. A single lip seal combined with a sealed bearing retains oil and shields the shaft journal, extending service life in continuous-duty automation lines.
Delivery (max Speed, Max Pressure)
75.0 L/min (19.8 USgpm)
Displacement
29.7 cm3/rev (1.81 in3/rev)
Inlet Port
1.25 in NPT
Input Power (max Speed, Max Pressure)
26.5 kW (35.5 hp)
Max Inlet Positive Pressure
0.7 bar (10 psi)
Max Inlet Vacuum
5 in Hg
Max Operating Pressure
172 bar (2500 psi)
Max Speed
2800 rpm
Mounting Orientation
Body Port At 12 O'Clock
Outlet Port
0.750 in NPT
Outlet Port Orientation
Opposite To Inlet (A)
Rated Delivery (1200 Rpm, 100 Psi)
34 L/min (9 USgpm)
Seal And Bearing
Single Lip Seal & Sealed Bearing
Shaft Rotation
Right-Hand (CW)
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