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VICKERS 3525VQ25A21 1AA20

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Description & Features

The Vickers 3525VQ25A21 1AA20 vane pump is designed for demanding applications such as plastics machinery, press machines, die casting, and machine tools, as well as test equipment, primary metal, pulp & paper, wood processing, oil & gas, marine, and general industrial uses.

This Vickers vane pump features a cast iron construction and Buna-N seals, and is known for its outstanding volumetric efficiency and long operating life. It is built for high-pressure, high-speed applications with a flow rate of 176.05350144 litres per minute.

SKU: 421613-1

Supplier Part Number (MPN): 421613-1

Alternate Part Numbers: 3525VQ25A211AA20

Specifications

Brand
Vickers by Danfoss
Cartridge Type
20 Design
Dimensions
14.45 in L x 8.38 in W x 6.405 in H
Displacement
4.9 cu-in Shaft, 4.1 cu-in Cover
Drive Shaft Type
Straight Keyed
Flow Rate
25 gpm Shaft, 21 gpm Cover
Housing Material
Iron
Maximum Operating Pressure
2500 psi
Mounting Type
4-Bolt Flanged
Outlet Size
1 in, 1-1/4 in
Rotation Direction
Counterclockwise
Seal Material
Buna-N
Series
3525 Series
Vane Type
Fixed Displacement and Balanced

Product Questions & Answers (2)

Question by: Rhonda W on Jun 20, 2025, 3:04 PM
Is this here vane pump gonna hold up if I run it pretty much all day long?
Answer by: Customer Support on Jun 21, 2025, 6:28 PM
This Vickers vane pump is built for high-pressure, high-speed applications, so it should be suitable for continuous operation within its specified parameters.
Question by: Kirk W on Dec 28, 2025, 9:20 AM
flow rate on this thing is listed in liters, anybody know what that works out to in gallons per minute for us regular folks?
Answer by: Customer Support on Dec 30, 2025, 6:03 AM
Running the conversion, 176 liters per minute comes out to roughly 46.5 gallons per minute. That's a solid output for high-pressure vane pump work, and it lines up with what you'd expect pushing through press machines, die casting setups, or heavy industrial tooling where volume and consistency both matter.

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