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35VQ Series Vane Pump, 25 Ring Size, 1-1/4 straight Keyed Shaft, Outlet in-Line with Outlet, CW Rotation

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Description & Features

Optimized for demanding applications this vane pump is ideal for sectors such as oil and gas metal cutting dump trucks and wheel loaders. Featured in the DANFOSS brand this model ensures a longer operating life and outstanding volumetric efficiency. Built for high-pressure high-speed scenarios it meets the rigorous requirements demanded by industry professionals.

The 35VQ Series Single Vane Pump comes equipped with a 1-1/4 straight keyed shaft and a ring size of 25. Notable for its clockwise rotation and in-line outlet port location this component maintains a maximum pressure rating of 3000 a rated flow of 38.5 and a speed rating of 2500 RPM.

Its construction includes a 2-Bolt SAE C mounting flange and SAE 4-bolt flange ports with a 2" inlet and 1-1/4" outlet. Enhanced with Buna-N seals this pump ensures reliable performance in demanding environments like plastic injection molding. The product also supports applications where efficient fluid displacement is crucial.

Model Number: 35VQ25A-1C20

Supplier Part Number: 421527-3

Specifications

Application
Oil and Gas, Metal Cutting, Dump Truck, Wheel Loader, Plastic Injection Molding
Displacement
4.98
Displacement
4.98
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
38.50
Rated Flow
38.5
Ring Size
25
Ring Size
25
Rotation
CW
Seal Material
Buna-N
Series
35VQ
Shaft
1-1/4 straight Keyed
Shaft
1-1/4 Straight Keyed
Special Features
None
Speed Rating
2500 RPM
Speed Rating
2500 RPM
Supplier Part Number
421527-3
Alternate Part Numbers
Alternate Part Number 35VQ25A1C20, Alternate Part Number C1EH30, Alternate Part Number MINO-00900H61139
Product Weight
50.00 lbs

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Product Questions & Answers (1)

Question by: Rex M on Aug 21, 2025, 4:34 PM
pump puts out 38.5 GPM at rated speed, but what's the max RPM before it starts causin problems?
Answer by: Customer Support on Aug 23, 2025, 8:11 AM
Rated flow of 38.5 GPM is based on a speed rating of 2500 RPM, and that figure is also the maximum speed listed for this pump. Running it beyond that threshold risks accelerated wear and a drop in volumetric efficiency, which is one of the stronger selling points of this series. Keep it at or under 2500 RPM and you're within the design envelope.