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Hydraulic Double Vane Pump, VQH Series Double Pump, 11.80 cu in/rev Front, 1.67 cu in/rev Rear, 2-Bolt SAE C Mounting Flange, 1-1/2 Straight Keyed Shaft, SAE 4-Bolt Flange, Inlet 3-1/2, Outlets 1-1/2 Front 3/4 Rear, CCW Rotation

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Description & Features

Ideal for demanding high-pressure and high-speed applications, the Eaton Vickers Hydraulic Double Vane Pump from the VQH Series offers exceptional volumetric efficiency and a robust design for extended service life. Featuring a 2-Bolt SAE C mounting flange, this pump is engineered with a 1-1/2 straight keyed shaft and a counter-clockwise rotation for optimized performance.

With a front displacement of 11.80 cu in/rev and a rear displacement of 1.67 cu in/rev, the double vane configuration ensures reliable operation in various industrial settings, including plastics machinery, press machines, and die casting equipment. The SAE 4-Bolt flange accommodates an inlet size of 3-1/2 and outlet sizes of 1-1/2 front and 3/4 rear, making it versatile for multiple applications.

Manufactured by Vickers and branded under Eaton, this pump is a part of the 4520VQ series, featuring a durable Buna-N seal material, which enhances resistance to wear and tear in harsh environments.

SKU: 02-142081-F

Supplier Part Number (MPN): 02-142081-F

Alternate Part Numbers: C1HH36

Specifications

Brand
Vickers by Danfoss
Cartridge Type
20 Design
Configuration
Double
Dimensions
15.52 in L x 8.38 in W x 6.43 in H
Displacement
11.8 cu-in Shaft, 1.7 cu-in Cover
Drive Shaft Type
Heavy-Duty Straight Keyed
Flow Rate
60 gpm Shaft, 8 gpm Cover
Housing Material
Iron
Maximum Operating Pressure
2500 psi
Mount io
2-Bolt SAE C
Mounting Type
2-Bolt SAE C
Outlet Size
3/4 in, 1-1/2 in
Port
SAE 4-Bolt Flange, 3-1/2 in Inlet, 1-1/2 Front 3/4 in Rear Front
Rotation Direction
Clockwise
Seal Material
Buna-N
Segment Code
C
Series
4520 Series
Shaft Size
1-1/2 in Dia
Vane Type
Fixed Displacement and Balanced

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Product Questions & Answers (3)

Question by: Ricky A on Apr 4, 2025, 5:25 PM
Running a double vane setup on a press machine and need to confirm the displacement figures before I order. What's the front and rear output on this one?
Answer by: Customer Support on Apr 6, 2025, 5:17 PM
Front section pulls 11.80 cubic inches per revolution, rear section runs 1.67 cubic inches per revolution. That's a pretty significant difference between the two, which makes this configuration well suited for press applications where you need high flow on the primary circuit and a lower-flow auxiliary circuit handled by the same pump. Both sections share a single 1-1/2 straight keyed shaft and mount up with a 2-bolt SAE C flange.
Question by: Ralph B on May 7, 2025, 12:21 PM
Will this double pump work okay for plastics machinery, or is it better suited for something else?
Answer by: Customer Support on May 9, 2025, 8:21 AM
It's definitely suitable. This VQH series double pump is used in plastics machinery applications, along with press machines, die casting, machine tools, and more.
Question by: Debbie R on Jan 7, 2026, 1:47 PM
got a machine that needs a counterclockwise pump. is this one CCW rotation for sure?
Answer by: Customer Support on Jan 8, 2026, 3:43 PM
Rotation is specified as CCW on this VQH series double vane pump, so it is set up for counterclockwise rotation.

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