Vickers | 2520VQ14A11-1XX20
2520VQ14A11-1XX20
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The 2520VQ14A11-1XX20 is produced by Vickers as part of the VQ Thru-Drive Vane Pumps series and supplies two independent hydraulic flows for automated circuits. The shaft-end section displaces 45.4 cm³ per revolution, providing 14 US gpm at 1200 rpm so primary actuators receive steady oil volume, while the cover-end section displaces 36.4 cm³ per revolution and furnishes 11 US gpm for auxiliary functions. Each section withstands 210 bar, permitting operation in medium-pressure machines, and the pump maintains integrity up to 2700 rpm to suit fast prime movers. Right-hand (clockwise) rotation aligns with common engine outputs, and ten vanes in each cartridge smooth the delivery to minimize pulsation.
The input shaft has a 22.23 mm diameter and uses a 4.75 mm key so torque transfers reliably from couplings; it accepts up to 316 N·m before reaching its limit, supporting heavy duty work cycles. Suction conditions allow a positive inlet pressure of 1.4 bar and a vacuum of 5 in Hg, parameters that guard against cavitation in the vane chambers. Inlet, O1, and O2 lines attach through SAE four-bolt flanges, giving rigid connections suited to manifold blocks. The assembled unit weighs 20.5 kg, a mass light enough for mobile frames yet substantial for stable mounting.
Technical Specifications
Cover-end Displacement
36.4 cm3/rev (2.22 in3/rev)
Cover-end Rated Flow @1200 Rpm
11 USgpm
Input Shaft Diameter
22.23 mm (0.875 in)
Key Width
4.75 mm (0.187 in)
Max Inlet Positive Pressure
1.4 bar (20 psi)
Max Inlet Vacuum
5 in.Hg
Max Input Shaft Torque (no.1)
316 Nm (2800 lb.in)
Max Pressure (each Section)
210 bar (3000 psi)
Max Speed (each Section)
2700 rpm
Port Connections
Inlet/O1/O2 SAE 4-Bolt Flange
Rotation
Right-Hand (CW)
Shaft-end Displacement
45.4 cm3/rev (2.77 in3/rev)
Shaft-end Rated Flow @1200 Rpm
14 USgpm
Vanes Per Cartridge
10
Weight
20.5 kg (45 lb)
1620 Old Apex Road
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