LCOJA

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Description

A cartridge-style pilot-to-close poppet-type check valve

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  • Technical Feature

    OPERATION:

    Pressure at overcomes the spring-bias poppet and allows free flow to . Flow in
    the opposite direction, from
    to ,is blocked by the poppet.
    When the required pilot pressure is achieved at
    ,the poppet is held closed to block
    flow between
    and .The pilot piston area to poppet seat area ratio is 1.8 to 1.

  • PerformanceCurves

    曲线.png

  • Technical Data

    Operating Pressure
    350bar
    Flow
    See PRESSURE DROP VS.FLOW graph.
    Cavity
    SUN T-19A
    Filtration
    Refer to "Cleanliness of Hydraulic Fluid"
    Internal Leakage
    2 drops/min max. at 350bar
    Crack Pressures
    A=0.3bar
    B=1.0bar
    C=2.0bar
    D=3.5bar
    E=5.0bar
    F=7.0bar
    G=10.5bar
    Pilot Ratio
    1.8:1
    Temperature
    -40ºF to +250ºF(-40ºC to +120ºC)
    Fluids
    Mineral-based fluids with viscosities of 7.4 to 420 cSt.
    Body Material
    Steel & Ductile iron rated to 350bar
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  • ACCESSORIES

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