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 Hand Lever Valve

    Eva Hydraulic Solutions > Our Products > Hydraulic Valves > Hydraulic Hand Lever Valve
    // About Hydraulic Pumps

    Hydraulic Hand Lever Valve

    A Hydraulic Hand Lever Valve is a manually operated directional control valve used to start, stop, and change the direction of hydraulic fluid flow in a hydraulic system. It is widely used where simple, reliable, and low-cost control is required.

    Main Function

    • Controls direction of oil flow
    • Operates hydraulic cylinders or motors
    • Used where manual control is sufficient (no electricity needed)

    Construction

    • Valve body (cast iron / steel / aluminum)
    • Spool or poppet mechanism
    • Manual hand lever
    • Seals and springs
    • Port connections (P, T, A, B)

    Working Principle

    1. Lever at Neutral Position

    • Oil flow is blocked or diverted to tank
    • Actuator remains stationary

    2. Lever Shifted

    • Spool moves inside the valve body
    • Hydraulic oil is redirected to the required port
    • Cylinder extends or retracts / motor rotates

    3. Return

    • Lever may return by spring or stay in position depending on type

    Common Types

    • 2/2 Valve – On / Off control
    • 3/2 Valve – Single acting cylinder control
    • 4/2 Valve – Direction control
    • 4/3 Valve – Neutral, forward, reverse control
    • Spring Return / Detent Type
    • Monoblock / Sectional Valve

    Center Conditions (4/3 Valve)

    • Open Center – Pump flow returns to tank
    • Closed Center – All ports blocked
    • Tandem Center – Pressure blocked, flow to tank
    • Float Center – Actuator free movement

    Technical Specifications (Typical)

    • Pressure range: 160 – 350 bar
    • Flow rate: 20 – 80 LPM
    • Port sizes: ¼”, ⅜”, ½”, ¾”, 1”
    • Operation: Manual hand lever

    Advantages

    • Simple and rugged design
    • Hydraulic oil is redirected to the required port
    • Easy maintenance
    • Cost-effective
    • Reliable in harsh environments

    Applications

    • Hydraulic power packs
    • Agricultural machinery
    • Construction equipment
    • Press machines
    • Material handling systems
    • Hydraulic jacks and lifts

    (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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