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    行業(yè)產(chǎn)品

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    天津金鐳科技有限公司


    當前位置：天津金鐳科技有限公司>>>>500系列減壓調節器

    500系列減壓調節器

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    更新時(shí)間：2022-09-26 10:06:23瀏覽次數：238次

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    經(jīng)營(yíng)模式：其他

    商鋪產(chǎn)品：39條

    所在地區：天津天津市

    產(chǎn)品簡(jiǎn)介

    APPLICATIONS:Regulationofinletpressuretogascompressors

    詳細介紹

    APPLICATIONS:
    Regulation of inlet pressure to gas compressors. Control of
    supply or distribution system pressures.
    PRESSURE RANGE:
    Upstream: 50 psig to 500 psig
    Downstream: 50 psig to 500 psig
    PILOT SUPPLY PRESSURE:
    40 psig
    NOTE:
    For upstream pressure less than 50 psig use outside source
    of supply to operate MOTOR VALVE DIAPHRAGM.
    OPERATION:
    The Pilot assembly and Motor Valve Stem Assembly
    (Crosshatched) are the only moving units in the regulator. The
    PILOT PLUG consists of two stainless balls rigidly connected
    together. The upper seat for the PILOT PLUG is the Motor Valve
    Diaphragm Pressure inlet (Violet to Yellow). The lower seat for
    the PILOT PLUG is the pressure vent (Yellow to Atmosphere).
    The Pilot Supply Pressure (Violet) leads the MOTOR VALVE
    DIAPHRAGM to provide the closing force for the Motor Valve
    against the Upstream Pressure.
    The PILOT SPRING in the bonnet loads the upper side of the
    Pilot Assembly and is opposed in the under side by Downstream
    Pressure (Blue) in the BELLOWS ASSEMBLY. Assume the
    PILOT SPRING is compressed with the ADJUSTING SCREW for
    a set pressure greater than the Downstream Pressure (Blue) in
    the BELLOWS ASSEMBLY. The Pilot Assembly is forced downward
    by the PILOT SPRING. The lower seat for the PILOT
    PLUG (Yellow to Atmosphere) is closed and the upper seat for
    the PILOT PLUG (Violet to Yellow) is open. This allows Pilot
    Supply Pressure (Violet) to load the underneath side of the
    MOTOR VALVE DIAPHRAGM to balance the pressure on the top
    side. Upstream Pressure (Red) acting under the motor valve
    seat, opens the valve.
    As Downstream Pressure (Blue) increases to the set pressure,
    the BELLOWS ASSEMBLY expands upward, compressing
    the PILOT SPRING and first closing the upper seat (Violet to
    Yellow) and then opening the pressure vent (Yellow to
    Atmosphere). As the MOTOR VALVE DIAPHRAGM PRESSURE
    (Yellow) is decreased, the PILOT SUPPLY PRESSURE acting on
    top of the Motor Valve Diaphragm begins to close the valve.
    With increase of Downstream Pressure (Blue) to the set pressure,
    the Pilot Assembly assumes a position in which both seats
    of the PILOT PLUG are closed.
    The intermittent bleed pilot, three-way valve action of the
    PILOT PLUG against its seats adjusts the Motor Valve
    Stem Assembly to accommodate any flow rate. The rapid
    but stable repositioning produces a true throttling action.




    貨號 連接尺寸 連接方式 描述 操作壓力 工作壓力 維修包
    A0304 2" SCRD 250 SGT PR-S 500 500 R0109
    A0305 2" FLGD 250 FGT PR-S 500 500 R0109
    A03041 2" SCRD 250 SGT-PR-STL 500 500 R0109
    A03051 2" FLGD 250 SGT-PR-STL 500 500 R0109


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