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The V20-2F7F-1C11-JA-S47 pump is produced by Vickers as part of the Square Vane Pumps series. It supplies pressurized hydraulic oil for machine tools and mobile equipment where stable flow is essential. The displacement is 36.4 cm³ per revolution, defining how much fluid moves with each shaft turn and guiding speed selection. The unit tolerates operating pressures up to 172 bar (2500 psi), making it suitable for moderate-pressure circuits. A maximum speed of 2500 rpm establishes the upper limit for drive coupling. At 1200 rpm and 100 psi it produces a rated delivery of 11 US gpm, offering a reference point for system sizing. The shaft is configured for right-hand clockwise rotation, so the driving motor must match this direction. Inlet pressure must stay below 0.7 bar (10 psi) to protect internal components from excessive charge pressure.
The pump can be supplied with an internal orifice identified as number 7. With that orifice installed, the controlled flow is fixed at 27 L/min (7 US gpm), allowing accurate metering without external throttles. A built-in flow-control and relief valve simplifies plumbing by combining two functions in the housing. The relief element cracks at 155 bar (2250 psi) to safeguard downstream components from overload. Both inlet and outlet ports sit on the same centerline, labeled position C, which eases rigid pipe alignment. A suction vacuum limit of 5 in Hg defines the maximum lift and helps prevent cavitation during cold starts.
Controlled Flow (orifice 7)
27 L/min (7 USgpm)
Displacement
36.4 cm3/rev (2.22 in3/rev)
Inlet Pressure Limit
0.7 bar (10 psi)
Integral Valve
Flow Control & Relief
Max Operating Pressure
172 bar (2500 psi)
Max Operating Speed
2500 rpm
Orifice Number
7
Outlet Port Position
In Line With Inlet (C)
Rated Delivery
11 USgpm @ 1200 rpm (100 psi)
Relief Valve Setting
155 bar (2250 psi)
Rotation
Right-Hand (CW)
Suction Limit (vacuum)
5 in Hg
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