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30VQ Series Vane Pump, 28 Ring Size, 7/8 Straight Keyed Shaft, Outlet 90° CCW from Outlet, CW Rotation

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Description & Features

Designed for power steering systems and industrial applications such as small hydraulic units and press equipment, the 30VQ Series Vane Pump delivers a rated flow of 42.85 GPM at a maximum pressure of 2000 PSI and a speed rating of 2000 RPM.

This Eaton Vickers unit features a Ring Size 28, a 7/8 straight keyed shaft, and an inlet port positioned 90° CCW from the outlet, configured for clockwise rotation. Buna-N seals provide reliable fluid compatibility across common hydraulic fluids used in industrial circuits.

Built to the 30VQ single vane pump series standard, it offers consistent volumetric efficiency and is rated for high-pressure, high-speed duty cycles. The compact single-pump configuration suits applications where space and mounting flexibility are priorities.

SKU: 421490-4

Supplier Part Number (MPN): 421490-4

Specifications

Application
Power Steering, Industrial small units and small press etc.
Displacement
5.50
Displacement
5.5
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
2000
Maximum Pressure
2000
Port Location
90° CCW from Outlet
Rated Flow
42.85
Rated Flow
42.85
Ring Size
28
Ring Size
28
Rotation
CW
Seal Material
Buna-N
Series
30VQ
Shaft
7/8 Straight Keyed
Shaft
7/8 Straight Keyed
Special Features
None
Speed Rating
2000 RPM
Speed Rating
2000 Rpm
Supplier Part Number
421490-4
Alternate Part Numbers
Alternate Part Number MINO-00900H81289
Product Weight
32.00 lbs

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Product Questions & Answers (2)

Question by: Steve P on Aug 27, 2025, 11:32 AM
Running a small hydraulic press setup and need to know if this pump can keep up at continuous high speed. What's the rated flow and max RPM on this thing?
Answer by: Customer Support on Aug 29, 2025, 6:18 AM
At 2000 RPM, this pump puts out 42.85 GPM and holds up to 2000 PSI. Those numbers line up well with small press and industrial unit applications, which is exactly what this series is built around. Vane pump designs like this one tend to hold volumetric efficiency well across a range of speeds, so you're not going to see a big drop-off as demand fluctuates.
Question by: Billy E on Apr 4, 2025, 6:40 PM
What kinda machine is this pump typically used on?
Answer by: Customer Support on Apr 6, 2025, 6:49 AM
These 30VQ series vane pumps are often found on power steering systems, smaller industrial units, and small press applications.