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VICKERS 3520VQ25A8 1DD20

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Description & Features

Built for demanding high-pressure, high-speed environments, the Vickers 3520VQ25A8 1DD20 vane pump delivers exceptional performance across a range of industrial applications. Designed for use in plastics machinery, press machines, die casting, and more, this pump is ideal for industries such as marine, oil & gas, and pulp & paper. With a flow rate of 121.23 liters per minute, it ensures outstanding volumetric efficiency, contributing to longer operating life.

Constructed from durable cast iron and featuring Buna-N seals, this pump is engineered for reliability and longevity. Part of the esteemed Vickers 3520VQ series, it has no special features, emphasizing robust simplicity and effectiveness. The Vickers brand, now part of Danfoss/Eaton, is synonymous with quality and dependability in hydraulic components, making it a trusted choice for general industrial applications.

SKU: 428689-4

Supplier Part Number (MPN): 428689-4

Specifications

Brand
Vickers by Danfoss
Cartridge Type
20 Design
Dimensions
13.77 in L x 8.38 in W x 6.41 in H
Displacement
4.9 cu-in Shaft, 1.7 cu-in Cover
Drive Shaft Type
Straight Keyed
Flow Rate
25 gpm Shaft, 8 gpm Cover
Housing Material
Iron
Maximum Operating Pressure
2500 psi
Mounting Type
4-Bolt Flanged
Outlet Size
3/4 in, 1-1/4 in
Rotation Direction
Clockwise
Seal Material
Buna-N
Series
3520 Series
Vane Type
Fixed Displacement and Balanced

Product Questions & Answers (2)

Question by: Dwight F on Sep 30, 2025, 9:40 AM
So this thing will hold up in a plastics plant running 24/7?
Answer by: Customer Support on Oct 2, 2025, 7:24 AM
Designed for demanding environments, this Vickers vane pump is built to withstand high-pressure, high-speed conditions common in plastics machinery and other industrial applications requiring continuous operation. Its cast iron construction and Buna-N seals contribute to its durability and longer operating life.
Question by: Vince K on May 15, 2025, 4:54 PM
flow rate on this one is listed at 121 liters a minute -- is that about right for press machine work or would that be overkill for most setups?
Answer by: Customer Support on May 17, 2025, 6:04 AM
For press machine applications, 121.23 liters per minute puts this pump well within the range needed for demanding cycle work. The 3520VQ series was built with exactly that kind of environment in mind, alongside die casting and plastics machinery where consistent high-volume flow matters. Whether it's overkill depends on your system requirements, but having that capacity available means the pump isn't straining to keep up, which tends to support longer service life over time.

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