Vickers | 4535V42A38-1AC22R
4535V42A38 1AC22R
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The 4535V42A38 1AC22R pump belongs to the V Series Vane Pumps manufactured by Vickers. It supplies hydraulic fluid for automated machinery that needs two independent flows from a single housing. The cover end displacement is 121 cm³ per revolution, providing a rated capacity of 38 US gpm so actuators on that circuit receive steady volume. On the shaft end, displacement increases to 138 cm³ per revolution, yielding 42 US gpm for the second circuit and allowing separate pressure control. Maximum speed is 1800 rpm, which lets designers match the pump directly to standard electric motors. Rotation from the shaft end is clockwise, a detail that determines hose routing and prevents improper start-up. The unit weighs 53.5 kg; mounting brackets must therefore support this mass to keep the drive line aligned under load.
The pump tolerates inlet pressure up to 1.4 bar (20 psi), ensuring that tank line restrictions do not force cavitation at full flow. A continuous pressure limit of 172 bar (2500 psi) defines the maximum operating load that can be applied without shortening service life. The moment of inertia is 0.004554 N·m·s², so the prime mover only needs moderate torque to accelerate the cartridge to working speed. Fluid paths use 4-bolt flanges on both inlet and outlet, which simplifies gasket replacement during maintenance. The outlet port carries a 1.31-12 UNC-2B straight thread, allowing direct connection to common SAE straight-thread adapters. Outlet 1 sits opposite the inlet, whereas outlet 2 is inline with the inlet; this arrangement helps designers place supply and return lines on tightly packed manifolds.
Technical Specifications
Approximate Weight
53.5 kg
Displacement (cover End)
121 cm3/rev
Displacement (shaft End)
138 cm3/rev
Inlet Pressure Max
1.4 bar (20 psi)
Max Continuous Pressure
172 bar (2500 psi)
Max Speed
1800 rpm
Moment Of Inertia
0.004554 N·m·s²
Outlet 1 Orientation
Opposite Inlet
Outlet 2 Orientation
Inline With Inlet
Outlet Port Thread
1.31-12 UNC-2B (straight)
Port Connection
4-Bolt Flange (Inlet/Outlet)
Rated Capacity (cover End)
38 US gpm
Rated Capacity (shaft End)
42 US gpm
Rotation (from Shaft End)
Clockwise
1620 Old Apex Road
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