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25VQ Series Vane Pump, 21 Ring Size, 13 Tooth SAE B Splined Shaft, Outlet 90 deg CW from Outlet, CW Rotation

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Description & Features

The Eaton Vickers 25VQ Series Vane Pump is designed for demanding high-pressure and high-speed applications such as oil and gas, metal cutting, and plastic injection molding. Featuring a 13-tooth SAE B splined shaft and a 21 ring size, this pump provides outstanding volumetric efficiency and a longer operating life. Its robust construction supports a maximum pressure of 3000 PSI and a speed rating of 2500 RPM, making it an ideal choice for industrial machines like dump trucks and wheel loaders.

With a 2-bolt SAE B mounting flange and 4-bolt flange ports, this vane pump ensures secure installation and reliable performance. The pump's 31.5 rated flow suits various hydraulic systems, while its Buna-N seal material enhances durability. The 90-degree clockwise port location from the outlet and clockwise rotation add to its versatile operational capabilities, meeting the needs of diverse industrial applications.

SKU: 421477-2

Supplier Part Number (MPN): 421477-2

Specifications

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
90 deg CW from 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
421477-2
Alternate Part Numbers
Alternate Part Number MINO-00900X55963
Product Weight
32.00 lbs

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Product Questions & Answers (2)

Question by: Pete T on Jun 18, 2025, 5:39 PM
runs at 2500 RPM, but what's the max pressure this thing can hold before it starts giving me trouble?
Answer by: Customer Support on Jun 19, 2025, 9:01 PM
Rated for 3000 PSI, so it's got solid headroom for demanding work. The 25VQ series was built specifically for high-pressure, high-speed conditions, so running at or near that ceiling in applications like metal cutting or plastic injection molding is well within its design intent. Just make sure your system is properly sized on the inlet side. The port specs call for a 1-1/2 inch SAE 4-bolt flange inlet, so don't choke it with undersized hydraulic connections.
Question by: Dwayne R on Oct 6, 2025, 12:10 PM
Reckon this'll bolt right up to a standard SAE B flange?
Answer by: Customer Support on Oct 7, 2025, 12:15 PM
this 25VQ series pump comes with a 2-bolt SAE B mounting flange, so it should fit your standard setup just fine. It's got SAE 4-bolt flange ports too: 1-1/2" for the inlet and 1" for the outlet.