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VICKERS 2520VQ21A8 1AD20R

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Description & Features

Designed for power steering systems and industrial applications including small press units, the Vickers 2520VQ21A8 1AD20R is a double vane pump from the Vickers by Danfoss/Eaton VQ(H) Series, built to handle high-pressure, high-speed service demands. Its cast iron construction provides durability in demanding duty cycles, while Buna-N seals deliver reliable fluid compatibility across common hydraulic fluids.

Part of the 2520VQ Series, this pump delivers a flow rate of approximately 148.7 litres per minute and is engineered for outstanding volumetric efficiency with extended service life. At 6.88 inches wide, it is a compact yet capable unit suited to industrial hydraulic circuits where consistent performance and long-term reliability are priorities.

SKU: 421601-C

Supplier Part Number (MPN): 421601-C

Specifications

Brand
Vickers by Danfoss
Cartridge Type
20 Design
Dimensions
12.25 in L x 6.88 in W x 5.75 in H
Displacement
4.1 cu-in Shaft, 1.7 cu-in Cover
Drive Shaft Type
Straight Keyed
Flow Rate
21 gpm Shaft, 8 gpm Cover
Housing Material
Iron
Maximum Operating Pressure
2500 psi
Mounting Type
4-Bolt Flanged
Rotation Direction
Clockwise
Seal Material
Buna-N
Series
2520V Series
Vane Type
Fixed Displacement and Balanced

Product Questions & Answers (2)

Question by: Floyd G on Nov 25, 2025, 5:48 PM
We run this pump on a small press setup and need it going pretty much all day long. Cast iron build on something like this hold up alright under that kind of continuous duty?
Answer by: Customer Support on Nov 27, 2025, 6:45 AM
Cast iron is genuinely one of the better choices for sustained industrial work. It handles heat cycling and mechanical stress better than lighter alloys, which matters when a press circuit is running shift after shift. The 2520VQ series was built with exactly that kind of demanding duty in mind, so the construction isn't just a material choice, it's matched to the application.
Question by: Freddie B on Jul 1, 2025, 7:39 AM
Reckon this pump would hold up okay in a small hydraulic press application?
Answer by: Customer Support on Jul 3, 2025, 6:53 AM
For small press units, this Vickers vane pump is a solid choice. It's built to handle the high-pressure demands you'd see in that kind of setup.

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