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VICKERS 2520VQ21A14 11BB20

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Description & Features

A cast iron, dual-unit vane pump designed for demanding industrial hydraulic systems, the Vickers 2520VQ21A14 11BB20 belongs to the VQ Series and delivers a combined flow rate of approximately 148.7 litres per minute. Built for high-pressure, high-speed service, it offers strong volumetric efficiency and extended service life under sustained load conditions.

Sealed with Buna-N and constructed from cast iron throughout, this pump is well-suited to a wide range of industrial applications including press machinery, die casting, machine tools, plastics machinery, pulp and paper processing, wood processing, primary metals, oil and gas, marine, and general industrial hydraulic circuits. The 2520VQ Series configuration supports demanding duty cycles where reliability and output consistency are critical.

SKU: 428649-6

Supplier Part Number (MPN): 428649-6

Specifications

Brand
Vickers by Danfoss
Cartridge Type
20 Design
Dimensions
11.69 in L x 6.88 in W x 5.75 in H
Displacement
4.1 cu-in Shaft, 2.8 cu-in Cover
Drive Shaft Type
Splined
Flow Rate
21 gpm Shaft/14 gpm Cover
Housing Material
Iron
Maximum Operating Pressure
2500 psi
Mounting Type
4-Bolt Flanged
Rotation Direction
Anti-Clockwise, Counter Clockwise
Seal Material
Buna-N
Series
2520V Series
Vane Type
Fixed Displacement and Balanced

Product Questions & Answers (1)

Question by: Chad R on Mar 12, 2026, 10:56 AM
Got a press machine running pretty hard most days, flow rate any good on this pump for that kind of work?
Answer by: Customer Support on Mar 13, 2026, 2:57 PM
At right around 148.7 litres per minute combined output, this is a solid match for demanding press applications. The dual-unit vane configuration handles sustained load conditions well, and the cast iron build holds up under the kind of continuous duty cycles press machinery puts on a hydraulic pump. Volumetric efficiency is a strong point of the VQ Series, so you're not going to see a lot of output drop-off under pressure.

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