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  • 截止閥系列
    GL系列鍛鋼截止閥
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    詳細介紹

    GL Series

    ●Size: 1/4"~2"(8~50mm)

    ●Class: 150~4500

     

    Specifications

    ●Design: ANSI B16.34,API602

    ●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

    ●Threetypes of bonnet designs:

    *BoltedBonnet, Outside Screwand Yoke Class (150 to Class 1500) Stronger and leakprof body bonnet encases fully a spiral wound gasket.

    *Welded Bonet, Outside Screw andYoke Class(150to Class 1500)For welded bonnet alves, thebonnet is threaded in and torqued to anenginered toroue valeand the body bonnetjoint is strength-welded, offering double protection against leakage.(body/bonnet threads and strength-weld).

    *Pressure Seal Bonet, OutsideScrew and Yoke Class (1500to Class 4500)Pressureseal bonet,thebody bonnet joint is threaded, packing rings are com pressed to provide a high integrity seal by the drawing-in stud.

    ●Full guided discassures seatanddisc precise lignment inspite of sidethrust caused by highvelocity low,and prevents stemfromscoring and galing,and provides longer disc sealand bodylife.

    ●Large cleara ween stem and disc llows disc to move freely.

    ●Packing chamber burnished and combinationgraphitering individuall prestressed fortightseal.

    ●Two-piece gland ensures gland and packing self-aligning

    ●Solid Stellite disc, seat ring(optional) ensures long service ife even in severeservices.

    ●Handwheel is rugged and knobbed to make sure thegrip even when wearing gloves.

    ●Optional handwheel colors are available.

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