• 意昂3·(官方)代理招商直营平台

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    美标大口径止回阀

    美标旋启式止回阀是指依靠介质本身流动而自动开、闭阀瓣,用来防止介质倒流的阀门,又称逆止阀、单向阀、逆流阀、和背压阀。止回阀属于一种自动阀门,其主要作用是防止介质倒流、防止泵及驱动电动机反转,以及容器介质的泄放。止回阀还可用于给其中的压力可能升至超过系统压的辅助系统提供补给的管路上。止回阀主要可分为旋启式止回阀(依重心旋转)与升降式止回阀(沿轴线移动)。这种类型的阀门的作用是只允许介质向一个方向流动,而且阻止方向流动。

    产品参数

    主要外形尺寸及连接尺寸:

    美标(ANSI)150LB
    DNDN/inLDD1D2bzxфdH≈
    401 1/216512598.47312.74xф16154
    50203150120.792.114.34xф19144
    652 1/2216180139.7104.815.94xф19150
    803241190152.412717.54xф19210
    1004292230190.5157.222.38xф19217
    1255330255215.9185.722.38xф22.5235
    1506356280241.321623.98xф22.5305
    2008495345298.5270278xф22.5370
    25010622405362323.828.612xф25.5417
    30012698485431.838130.212xф25.5478
    35014787535476.3412.833.412xф28.5540
    40016864595539.84703516xф28.5620
    45018978635577.9533.438.116xф32685
    50020978700635584.241.320xф32720
    600241295815749.3692.246.120xф35880
    650261295870806.474966.724xф35910
    700281448925863.680069.928xф351050
    750301524985914.485773.128xф351050
    美标(ANSI)300LB
    DNDN/inLDD1D2bzxфdH≈
    401 1/2241155114.37319.14xф22.5165
    50267165127.292.120.78xф19170
    652 1/2292190149.2104.823.98xф22.5190
    803318210168.3127278xф22.5216
    1004356255200157.230.28xф22.5260
    1255400280235185.733.48xф22.5280
    1506444320269.92163512xф22.5305
    2008533380330.227039.712xф25.5368
    25010622445387.4323.846.116xф28.5410
    30012711520450.838149.316xф32445
    35014838585514.4412.852.420xф32570
    40016864650571.547055.620xф35630
    45018978710628.6533.458.824xф35676
    500201016775685.8584.26224xф35740
    600241346915812.8692.268.324xф41900
    650261346970876.374977.828xф44.5930
    7002814991035939.880084.228xф44.51163
    750301594109099785790.528xф481270
    美标(ANSI)600LB
    DNDN/inLDD1D2bzxфdH≈
    5029216512792.125.48xф19203
    652 1/2330190149.2104.828.68xф22.5229
    803356210168.312731.88xф22.5235
    1004432275215.9157.238.18xф25.5286
    1255508330266.7185.744.58xф28.5340
    1506559355292.121647.712xф28.5365
    2008660420349.227055.612xф32445
    25010787510431.8323.863.516xф35500
    3001283856048938166.720xф35545
    35014889605527412.87020xф38670
    4001699168560347076.220xф41715
    450181092745654533.482.624xф44.5785
    500201194815723.9584.29024xф44.5845
    600241397940838.2692.2101.624xф511025


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