免费 成 人 黄 色 网站69,国产内射爽爽大片视频社区在线,av无码久久久久不卡网站下载,亚洲国产精品久久久久爰色欲,琪琪女色窝窝777777,欧美xxxx黑人又粗又长精品,亚洲av无码一区二区乱子伦,中文字幕+乱码+中文乱码视频,久久精品免费一区二区喷潮,天天爽天天爽夜夜爽毛片

<strike id="cesc0"></strike>
  • <fieldset id="cesc0"></fieldset>
  • <strike id="cesc0"></strike>
  • <strike id="cesc0"><menu id="cesc0"></menu></strike>
    <del id="cesc0"><tfoot id="cesc0"></tfoot></del>
  • <del id="cesc0"><dfn id="cesc0"></dfn></del>
  • <ul id="cesc0"></ul>
  • 截止閥系列
    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.

    ?
    亚洲爆乳少妇无码激情| 久久久久久久久蜜桃| 国产av激情无码久久| 蜜桃成人无码区免费视频网站 | 偷窥少妇久久久久久久久| 色综合天天综合网国产成人网 | 亚洲一区二区精品推荐| 日本免费一区二区视频| 亚洲国产精品成人五月天| 久青草青综合在线视频| 久久青青视频| 中日av乱码一区二区三区乱码 | 这里只有精品最精视频| 亚洲色大成网站WWW永久在线观看 国产精品久久久久蜜芽 | 18进禁美女网站| 成年人免费观看区| 又黄又爽又色又刺激的视频| 97久久精品人妻人人搡人人玩| 美女视频黄频大全视频免费| 裸体无码内射性性色AV| 男人用嘴添女人下身免费视频| 久久久久亚洲精品天堂| 欧美在线看片A免费观看| 大又大粗又爽又黄少妇毛片| 乱暴tubesex中国妞| 性妇wbbbb搡bbbb嗓小说| 性做久久久久久| 亚洲中文字幕无码爆乳av| 乌克兰少妇xxxx做受| 裸体跳舞xxxx裸体跳舞| 蜜臀av性久久久久蜜臀aⅴ| 人妻无码久久精品| 国产精品搬运| 免费精品视频在线| 国产片一级一级在线观看 | 欧美性猛交xxxx乱大交蜜桃| 欧美日韩国产一区二区三区不卡| 亚洲精品字幕在线观看| 亚洲熟妇少妇任你躁在线观看无码| 人妻夜夜爽天天爽三区麻豆av网站| 欧美变态另类刺激|