Vickers | 4520V50A5-1CC22R
4520V50A5 1CC22R
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The 4520V50A5 1CC22R pump belongs to the Vane Pumps series from Vickers and supports hydraulic automation by supplying pressurized fluid to cylinders and motors. Its front displacement is 162.3 cm³ per revolution, which defines the volume moved each shaft turn. When driven at 1,200 r/min it produces a rated flow of 50 US gpm, serving steady-state machine cycles. The drive can accelerate to a front maximum speed of 2,200 r/min, where delivery rises to 303.8 L/min (79 US gpm) for rapid motion sequences. Generating that peak flow needs 105.2 kW (141 hp), so prime movers must be sized accordingly. All fluid ports are configured with SAE four-bolt flanges to allow standard hose or tube terminations.
The pump tolerates a front maximum pressure of 175 bar (2,500 psi), setting the upper limit for relief valves and component ratings in the circuit. Inlet conditions must stay below 1.38 bar absolute and above a vacuum of 0.17 bar to prevent cavitation and maintain vane integrity, while normal running is recommended between 0 and 0.34 bar to keep a slight positive head at the suction line. Two discharge directions aid mounting flexibility: outlet 1 is inline with the inlet, and outlet 2 sits 45 degrees clockwise from the inlet, letting designers route plumbing without sharp bends in compact power units.
Technical Specifications
Front Delivery @ Max Speed
303.8 L/min (79 USgpm)
Front Displacement
162.3 cm3/rev (9.90 in3/rev)
Front Input Power @ Max Speed
105.2 kW (141 hp)
Front Max Pressure
175 bar (2500 psi)
Front Max Speed
2200 r/min
Front Rated Flow @ 1200 R/min
50 USgpm
Max Inlet Pressure
1.38 bar (20 psi)
Max Inlet Vacuum
0.17 bar (5 in Hg)
No. 1 Outlet Position
In Line With Inlet (C)
No. 2 Outlet Position
45° CW From Inlet (CC)
Port Connections
SAE 4-Bolt Flange (all ports)
Recommended Inlet Pressure
0 to 0.34 bar (0–5 psi)
1620 Old Apex Road
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