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      1. 亚洲精品国产电影_无码人妻精品一区二区三18禁_亚洲AV永久无码精品网址_国产精品国产三级国av_777亚洲精品乱码久久久久久

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        詳細(xì)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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        久久久久人妻一区精品果冻_无码人妻精品一区二区三18禁_亚洲AV永久无码精品网址_国产精品国产三级国av
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