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The 2520VQ17C14 11CC20 pump belongs to the VQ Thru-Drive Vane Pumps series and is produced by Vickers. This thru-drive unit supplies hydraulic power to two circuits in automation systems. On the cover end, it displaces 45.9 cm³ per revolution so each shaft turn moves a fixed oil volume for predictable actuator speed. The cover-end section tolerates working pressures up to 140 bar and can run at speeds as high as 2700 r/min for compatibility with fast prime movers. When driven at 1200 r/min the cover end provides a rated flow of 14 US gpm, supporting auxiliary functions. A SAE 4-bolt flange serves as the inlet port to give rigid pipe attachment, the standard pilot arrangement matches common mounting brackets, and the O1 inline, O2 45° clockwise port orientation simplifies hose routing inside power units.
The shaft end handles the primary circuit with a displacement of 55.2 cm³ per revolution, supplying a larger volume than the cover end. It withstands pressures up to 210 bar and permits continuous operation up to 2500 r/min without overstressing internal vanes. At 1200 r/min the shaft end delivers a rated flow of 17 US gpm to maintain main actuator performance. Right-hand clockwise rotation defines the drive coupling direction, and a single shaft seal blocks external leakage under dynamic conditions. System connections are completed through SAE straight-thread outlets on both Outlet 1 and Outlet 2, allowing leak-free tube fittings for the twin discharge lines.
Cover-end Displacement
45.9 cm3/rev (2.80 in3/rev)
Cover-end Max Pressure
140 bar (2000 psi)
Cover-end Max Speed
2700 r/min
Cover-end Rated Flow (1200 R/min)
14 USgpm
Inlet Port
SAE 4-Bolt Flange
Outlet 1 Port
SAE Straight Thread
Outlet 2 Port
SAE Straight Thread
Pilot
Standard
Port Orientation
O1 Inline, O2 45° CW
Shaft Rotation
Right-Hand (CW)
Shaft Seal
Single
Shaft-end Displacement
55.2 cm3/rev (3.37 in3/rev)
Shaft-end Max Pressure
210 bar (3000 psi)
Shaft-end Max Speed
2500 r/min
Shaft-end Rated Flow (1200 R/min)
17 USgpm
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