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The 35V38A 1A22L unit belongs to the V Series Vane Pumps series and is manufactured by Vickers for hydraulic automation where steady flow is required. It moves 121 cm³ of fluid per revolution, establishing the volumetric capacity for each shaft turn. At 1200 rpm and 100 psi, the pump delivers a rated flow of 38 gpm to actuate cylinders or motors. The shaft turns counterclockwise, so system plumbing must follow that rotation direction. A flange mount secures the housing to the power source, and SAE 4-bolt flanges provide standardized port connections. The outlet is positioned opposite the inlet, simplifying line routing in compact manifolds. Suction stability is maintained when inlet pressure remains below 1.4 bar and above −0.17 bar, preventing cavitation at startup and full load.
The pump supports continuous operation up to 172 bar, allowing it to drive medium-pressure hydraulic circuits. Fluid temperature can reach 99 °C without compromising internal clearances, making it suitable for systems that run warm. Speeds may vary from 600 rpm to a maximum of 1800 rpm so that designers can match displacement to required flow. Vickers recommends hydraulic oil with viscosities between 13 cSt and 54 cSt to maintain film strength across the full temperature range. Acoustic output is 64 dB(A) at 1200 rpm, which aids compliance with plant noise targets.
Geometric Displacement
121 cm³/rev (7.37 in³/rev)
Inlet Max Pressure
1.4 bar (20 psi)
Inlet Min Pressure
-0.17 bar (5 in Hg)
Max Continuous Pressure (aw Oil)
172 bar (2500 psi)
Max Fluid Temperature
99°C (210°F)
Max Speed (aw Oil)
1800 rpm
Minimum Speed
600 rpm
Mounting
Flange Mount
Outlet Position
Opposite Inlet
Port Connection
SAE 4-bolt flanges
Preferred Viscosity Max
54 cSt
Preferred Viscosity Min
13 cSt
Rated Flow (1200 Rpm, 100 Psi)
38 gpm
Rotation (shaft End)
Counterclockwise
Sound Level At 1200 Rpm
64 dB(A)
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