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    Double Ball Air Valve

    DNDN50—DN200
    Nominal pressure (MPa): PN1.0—1.6Mpa
    Medium: Fresh water, sewage, sea water, weak acid,weak base etc
    Temperature: -20℃—120℃
    Body material: cast iron, ductile iron
    Flange connection: DIN PN10.PN16, ANSI150,BS4504


    Categories

    Tel: +86-18539246853
    Fax: +86-371-55883235
    E-mail: weisidun@wsdvalve.com
    Address: ZhengZhou,HeNan,China.

     

    Features:

    Operation of pipeline system, when the pipeline internal pressure or temperature changes and dissolved in the water of the air is released, air valves will be the timely discharge, prevent pipeline in formation of gas and affect the operation of the pipeline system.

    Application:

    In pumping station pressure tank tops and the water pipe on the installation of air valve for water conveyance pipeline during the initial water filling, regular maintenance of pipeline after water filling the air inside the pipeline to discharge, avoid pressure fluctuations; in pipeline water hammer negative, air valve opening, so that the tube Daowai air into the pipeline, lest in the pipe produced larger negative pressure, play a protective role.

    Parameters

    WESDOM Group

    WESDOM Group

    WESDOM Group

    DN D D1 D2 L b H f Z-d
    50 165 125 99 468 20 388 3 4-19
    60 175 135 118 468 20 388 3 4-19
    65 185 145 118 468 20 388 3 4-19
    80 200 160 132 468 22 388 3 8-19
    100 220 180 156 555 24 472 3 8-19
    125 250 210 184 555 26 472 3 8-19
    150 285 240 211 742 26 550 3 8-23
    200 340 295 266 850 30 620 3 12-23

     

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