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25VQ Series Vane Pump, 19 Ring Size, 7/8 Straight Keyed Shaft, Outlet in-Line with Outlet, CW Rotation

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Description & Features

Rated for up to 3,000 PSI and 2,500 RPM, the Eaton Vickers 25VQ Series Vane Pump is built for demanding high-pressure, high-speed hydraulic applications. With a ring size of 19 and a rated flow of 28.5 GPM, this single vane pump delivers outstanding volumetric efficiency and extended service life across a range of industrial uses, including metal cutting, plastic injection molding, dump truck, and wheel loader systems.

The pump features a 7/8 straight keyed shaft with clockwise rotation, and the outlet port is in-line with the inlet. Mounting is via a 2-bolt SAE B flange, with SAE 4-bolt flange ports sized at 1-1/2" inlet and 1" outlet. Displacement is 3.74 in³/rev. This unit is supplied by Danfoss Power Solutions under catalog number C1MF51.

SKU: 578308-3

Supplier Part Number (MPN): 578308-3

Specifications

Application
Oil and Gas, Metal Cutting, Dump Truck, Wheel Loader, Plastic Injection Molding
Displacement
3.74
Displacement
3.74
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
28.50
Rated Flow
28.5
Ring Size
19
Ring Size
19
Rotation
CW
Seal Material
None
Series
25VQ
Shaft
7/8 Straight Keyed
Shaft
7/8 Straight Keyed
Special Features
None
Speed Rating
2500 RPM
Speed Rating
2500 RPM
Supplier Part Number
578308-3
Alternate Part Numbers
Alternate Part Number MINO-00900X69018
Product Weight
32.00 lbs

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Product Questions & Answers (2)

Question by: Johnny A on Jul 13, 2025, 5:05 PM
Will this pump work okay in an injection molding machine?
Answer by: Customer Support on Jul 15, 2025, 6:56 AM
Application-wise, yes, this vane pump is listed as suitable for plastic injection molding, along with metal cutting, oil and gas, dump trucks, and wheel loaders.
Question by: Kurt L on Nov 19, 2025, 3:45 PM
runs at 2500 RPM rated speed, but what kind of flow am I actually gonna see out of this thing at that speed?
Answer by: Customer Support on Nov 21, 2025, 1:06 PM
At the rated speed of 2500 RPM, this pump is spec'd for 28.5 GPM. That's based on the 19 ring size and the 3.74 cubic inch displacement. Real-world flow can vary some depending on system pressure and line losses, but 28.5 GPM is what the pump is built to deliver under rated conditions.