Vickers | 3520V30A12-1AA22R
3520V30A12 1AA22R
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The 3520V30A12 1AA22R pump is part of the V Series Vane Pumps from Vickers and is built for circuit actuation in industrial hydraulic automation. Its cast iron body withstands cyclic pressure loading and limits housing distortion under working conditions. A clockwise rotation orientation matches common drive shaft arrangements in mobile and stationary power units. Fluid is admitted and discharged through an SAE 4-bolt flange, which simplifies mounting to standard manifold blocks. The front pumping section displaces 97 cm³ per revolution so it supplies medium-size cylinders with adequate volume. At 1200 rpm this stage delivers 30 US gpm, enabling consistent actuator speed. It tolerates up to 172 bar on the front outlet, allowing the pump to support moderate pressure circuits. Overall dimensions of 15.05 inches in length and 8.38 inches in width must be considered when allocating installation space.
For duty points above nominal speed the unit can run up to 1800 rpm, while operation should not drop below 600 rpm to maintain internal lubrication. The rear pumping element displaces 40 cm³ per revolution and, at 1200 rpm, produces 12 US gpm for auxiliary functions such as pilot lines or low-flow drives. Rear outlet pressure capability is 159 bar, giving designers flexibility to split flow between high and lower pressure circuits. A Buna-N shaft seal keeps hydraulic oil contained and resists common mineral fluids. The assembled mass of 75 lb influences bracket selection during skid fabrication. Internal clearances remain stable across the stated speed band, so volumetric efficiency is retained without additional cooling.
Technical Specifications
Body Material
Cast Iron
Front Displacement
97 cm³/rev
Front Max Pressure (aw Oil)
172 bar
Front Rated Flow (1200 Rpm)
30 US gpm
Maximum Speed (aw Oil)
1800 rpm
Minimum Speed
600 rpm
Port Connection
SAE 4-Bolt Flange
Product Length
15.05 in
Product Weight
75 lb
Product Width
8.38 in
Rear Displacement
40 cm³/rev
Rear Max Pressure (aw Oil)
159 bar
Rear Rated Flow (1200 Rpm)
12 US gpm
Rotation
Clockwise
Seal Material
Buna-N
1620 Old Apex Road
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