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25VQ Series Vane Pump, 21 Ring Size, 13 Tooth SAE B Splined Shaft, Outlet in-Line with Outlet, CW Rotation

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Application
Oil and Gas, Metal Cutting, Dump Truck, Wheel Loader, Plastic Injection Molding
Displacement
4.12
Displacement
4.12
Brand
DANFOSS POWER SOLUTIONS II LLC (VICKERS)
Brand
Danfoss Power Solutions
Pack Size
1.00
UOM
EA
Features
Longer operating life|Oustanding volumetric efficiency|Built for high-pressure, high-speed applications
Maximum Pressure
3000
Maximum Pressure
3000
Port Location
in-Line with Outlet
Rated Flow
31.50
Rated Flow
31.5
Ring Size
21
Ring Size
21
Rotation
CW
Seal Material
Buna-N
Series
25VQ
Shaft
13 Tooth SAE B Splined
Shaft
13 Tooth SAE B Splined
Special Features
None
Speed Rating
2500 RPM
Speed Rating
2500 RPM
Supplier Part Number
421477-3
Alternate Part Numbers
Alternate Part Number 25VQ21A11C20, Alternate Part Number C1BP80
Product Weight
32.00 lbs
Product Questions & Answers 3

Product Questions & Answers

got a machine set up for a 2-bolt SAE B mount. will this pump bolt right up and are the ports the flange style ones?
Question by: Cody H on Dec 12, 2025, 2:35 PM
It uses a 2-bolt SAE B mounting flange and it comes with SAE 4-bolt flange ports. Port sizes are 1-1/2 inch inlet and 1 inch outlet, so it matches that flange-port style setup.
Answer by: Customer Support on Dec 13, 2025, 9:34 PM
pump puts out 31.5 GPM at what pressure, and is that continuous or just peak?
Question by: Hugh C on Nov 21, 2025, 6:08 PM
Rated flow on this unit is 31.5 GPM, and the maximum pressure rating is 3000 PSI. That 3000 figure is the rated ceiling for the pump, not a sustained operating target. For most industrial setups, running comfortably below that ceiling is what gets you the longer service life Eaton Vickers built this series around.
Answer by: Customer Support on Nov 23, 2025, 5:45 PM
What kind of machines does this vane pump usually go in?
Question by: Dale W on May 8, 2025, 7:37 PM
This pump is frequently used in applications like oil and gas equipment, metal cutting machinery, dump trucks, wheel loaders, and plastic injection molding systems.
Answer by: Customer Support on May 10, 2025, 3:50 PM

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