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The V10F 1P4P 1A4E 20 pump belongs to the Square Vane Pumps series and is produced by Vickers for fixed-displacement hydraulic circuits. It delivers a controlled flow of 15 L/min (4 US gpm), making it suitable for moderate-duty actuator supply. A displacement of 13.1 cm³ per revolution provides the volume transfer that establishes this flow rate at rated speed. The housing is secured with a 2-bolt flange mounting, allowing straightforward attachment to power units and engine bell housings. Overall dimensions are compact with a length of 6.55 in, a height of 4.35 in, and a width of 5.12 in so it fits tight machine envelopes. The assembled unit weighs 15 lb, enabling single-person handling during installation.
The pump uses flow control orifice number 4 to meter oil internally and stabilize delivery during load changes. Fluid enters through a 1 in NPT inlet, exits through a port located opposite the inlet, and is protected from cavitation by a maximum inlet vacuum limit of 5 in Hg. The shaft can turn up to 3400 rpm, and the pressure section withstands a maximum working pressure of 172 bar (2500 psi) for continuous operation. At 1200 rpm and 100 psi the rated capacity is 4 US gpm, matching common low-speed power packs. The integral relief valve is factory set to open at 86 bar (1250 psi) to guard downstream components from overload.
Controlled Flow
15 L/min (4 US gpm)
Displacement
13.1 cm³/rev (0.80 in³/rev)
Flow Control Orifice No.
4
Height
4.35 in
Inlet Port
1 in NPT
Length
6.55 in
Max Inlet Vacuum
5 in Hg
Max Speed
3400 rpm
Max Working Pressure
172 bar (2500 psi)
Mounting
2-Bolt Flange
Outlet Port Position
Opposite Inlet Port
Rated Capacity (1200 Rpm, 100 Psi)
4 US gpm
Relief Valve Setting
86 bar (1250 psi)
Weight
15 lb
Width
5.12 in
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