Vickers | 4520V50A8-1CB22R
4520V50A8 1CB22R
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The 4520V50A8 1CB22R vane pump is produced by Vickers for the Vane Pumps series and supports hydraulic automation circuits that require two simultaneous flow supplies. It carries design number 22, identifying its internal cartridge configuration, and all ports are equipped with an SAE 4-bolt flange to match common manifold blocks. The front pumping element displaces 162.3 cm³ per revolution, or 9.90 in³ per revolution, which enables high-volume transfer in the main circuit. When the drive turns at 1200 rpm, this front section provides a rated flow of 50 US gpm to power primary actuators without cavitation.
The front cartridge tolerates working pressures up to 175 bar (2500 psi), and permissible shaft speed extends to 2200 rpm so flow can be increased when the prime mover allows faster rotation. A smaller rear section displaces 27.4 cm³ per revolution, equal to 1.67 in³ per revolution, giving an auxiliary output for secondary functions. At 1200 rpm the rear element yields 8 US gpm, supplying pilot lines or accessory circuits while the main section handles the bulk demand.
Technical Specifications
Design Number
22
Front Displacement
162.3 cm³/rev
Front Displacement (in³/rev)
9.90 in³/rev
Front Max Pressure
175 bar (2500 psi)
Front Max Speed
2200 rpm
Front Rated Flow @1200 Rpm
50 US gpm
Port Connections
SAE 4-Bolt Flange (all ports)
Rear Displacement
27.4 cm³/rev
Rear Displacement (in³/rev)
1.67 in³/rev
Rear Rated Flow @1200 Rpm
8 US gpm
1620 Old Apex Road
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