Vickers | 2520V12A5-1BA22R
2520V12A5 1BA22R
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The 2520V12A5 1BA22R unit belongs to the V Series Vane Pumps series and is manufactured by Vickers for hydraulic automation circuits that need two independent flows from a single shaft. The shaft-end displacement is 40 cm³ per revolution, delivering the larger volume for primary actuators, while the cover-end displacement is 18 cm³ per revolution to supply auxiliary functions. Rated flow at outlet 1 is 12 US gpm, and outlet 2 delivers 5 US gpm, so different branches can be fed without separate drives. The rotation is clockwise, matching standard right-hand engines, and maximum operating speed is capped at 1800 rpm to limit tip velocity and cavitation. Outlet 1 is located 90 ° counter-clockwise from the inlet, and outlet 2 is positioned 135 ° counter-clockwise from the inlet, which simplifies porting in compact manifolds.
This model mounts on a machine frame with a flange mount, and fluid interfaces use an SAE four-bolt flange to withstand vibration. Inch threads are specified for the ports so it mates directly with common North American fittings. The maximum inlet pressure is limited to 1.4 bar (20 psi) to protect the internal vanes from seal extrusion, while the cover-end can sustain 207 bar (3000 psi) and the shaft-end is rated for 172 bar (2500 psi) to handle high load cycles. The rotating group carries a moment of inertia of 0.001309 N·m·s², allowing quick speed changes when the drive motor accelerates or decelerates. These mechanical and hydraulic limits define safe operating windows and enable predictable service life in industrial power units.
Technical Specifications
Cover-end Displacement
18 cm3/rev
Max Inlet Pressure
1.4 bar (20 psi)
Max Pressure (cover End)
207 bar (3000 psi)
Max Pressure (shaft End)
172 bar (2500 psi)
Max Speed
1800 rpm
Moment Of Inertia
0.001309 N·m·s^2
Mounting Type
Flange Mount
Outlet 1 Orientation
90° CCW From Inlet
Outlet 2 Orientation
135° CCW From Inlet
Port Connection
SAE 4-Bolt Flange
Port Thread Type
Inch Threads
Rated Flow Outlet 1
12 US gpm
Rated Flow Outlet 2
5 US gpm
Rotation
Clockwise
Shaft-end Displacement
40 cm3/rev
1620 Old Apex Road
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