Eva Hydraulic Solutions Is A Trusted Leader In The Design And Manufacturing Of Hydraulic Systems And Components. With Over 35 Years Of Experience In The Industry, We Specialize In Producing High-Quality Hydraulic Cylinders, Hydraulic Power Packs, Hydraulic Manifolds, And Hydraulic Jacks.

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    Hydraulic Vane Pump

    Eva Hydraulic Solutions > Our Products > Hydraulic Pumps > Hydraulic Vane Pump
    // About Hydraulic Pumps

    Hydraulic Vane Pump

    A hydraulic vane pump is a positive-displacement pump commonly used in hydraulic power packs to generate oil flow at moderate pressure with smooth, quiet operation.

    Construction Main components:

    • Pump housing
    • Rotor (mounted on drive shaft)
    • Vanes (sliding blades fitted in rotor slots)
    • Cam ring
    • Inlet & outlet ports
    The vanes slide outward due to centrifugal force and hydraulic pressure, maintaining contact with the cam ring.

    Working Principle

    • Working Principle When the rotor turns, vanes slide out and create expanding chambers
    • Oil is drawn in through the suction port
    • As the chambers reduce in size, oil is pushed out through the delivery port
    • Continuous rotation provides uniform, pulsation-free flow

    Types of Hydraulic Vane Pumps

    1. Unbalanced Vane Pump

    • Fixed displacement
    • Simple design
    • Lower pressure range

    2. Balanced Vane Pump

    • Reduced bearing load
    • Higher pressure capability
    • Longer service life

    3. Variable Displacement Vane Pump

    • Adjustable flow
    • Energy efficient
    • Used where flow control is required

    Advantages

    • Smooth and quiet operation
    • Good volumetric efficiency
    • Compact size
    • Suitable for continuous duty
    • Lower noise compared to gear pumps

    Limitations

    • Sensitive to oil contamination
    • Not suitable for very high pressure
    • Vanes wear faster in poor oil conditions

    Typical Applications

    • Hydraulic power packs
    • Machine tools
    • Injection molding machines
    • Presses
    • Industrial automation systems

    Operating Range (Typical)

    • Pressure: up to 140–210 bar (model dependent)
    • Speed: 600–1800 RPM
    • Fluid: Mineral hydraulic oil (ISO VG 32 / 46 / 68)

    (Formerly Known As Eva Industrial Solutions)

    Eva Hydraulic Solutions Is A Trusted Leader In The Design And Manufacturing Of Hydraulic Systems And Components. With Over 35 Years Of Experience In The Industry, We Specialize In Producing High-Quality Hydraulic Cylinders, Hydraulic Power Packs, Hydraulic Manifolds, And Hydraulic Jacks.

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