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35VQ Series Vane Pump, 21 Ring Size, 1-1/4 straight Keyed Shaft, Outlet Opposite Outlet, CW Rotation

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Application
Oil and Gas, Metal Cutting, Dump Truck, Wheel Loader, Plastic Injection Molding
Displacement
4.04
Displacement
4.04
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
Opposite Outlet
Rated Flow
31.50
Rated Flow
31.5
Ring Size
21
Ring Size
21
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
591391-1
Product Weight
50.00 lbs
Product Questions & Answers 1

Product Questions & Answers

pump's rated at 2500 RPM -- is that the max I should be running it, or is there some headroom above that?
Question by: Roy R on Jul 25, 2025, 12:54 PM
2500 RPM is the rated speed ceiling for this unit, so you'd want to treat that as your operating limit rather than a target you push past. Running consistently at or near the top of a pump's speed rating tends to shorten seal life and affect volumetric efficiency over time. For most applications this pump was built for, like dump trucks or wheel loaders, staying at or below that threshold keeps things running clean.
Answer by: Customer Support on Jul 26, 2025, 6:31 PM

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