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  • 閘閥系列
    詳細(xì)介紹

    GA Series

    ●Size: 1/4"。2"78 50 mm)

    ●Class: 150~2500

     

    Specifications

    ●Design: ANSI B16.34,API 602

    ●Testing: ANSI B16.34 and API 598

    ●Marking: MSS-SP-25

    ●Socket weld ends: ASME B16.11

    ●Butt weld ends: ASME B16.25

    ●Threaded ends: ASME B1.20.1

    ●Flanged: ASME B16.5

     

    Features

    ●Three types of bonnet designs:

    *Bolted Bonnet,OutsideScrew and Yoke (Class 150 to Class 1500 Stronger and leakproof body bonnet encasesfull a spiral wound gasket.

    *Welded Bonnet,Outside Screw and Yoke (Class 150 to Class 1500)For welded bonet valves,the bonnet isthreaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded,offering double protection against leakage.(body bonet threadsand strength-weld).

    *PresureSeal Bonnet,Outside Screw and Yoke(Class 1500 toClass 2500 Pressureseal bonnet,the body bonet joint is threaded,packingring sare compressed to provide a high integrity seal by the drawing-in stud.

    ●Seating faces ground and lapped to 2 RMS.

    ●Fully guided wedge reduces wear onseatng surfaces.

    ●Backseat bevel on the stem,not on the disc,meet specificationsAPl-600 and APl-602.

    ●Packing chamber burnished and combination graphiterings individully prestressed for tight seal.

    ●Removal of handwheel without affecting the position of valve (closed or open).

    ●A compact but extremely sturdy design for highpressure-temperature service. andwhe surethegrip even when wearinggloves. ugged and knobbe.

    ●Optional handwheel colors are available

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