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>
  • 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

    ?
    囯产精品一品二区三区| 大又大粗又爽又黄少妇毛片| 国产av激情无码久久| 久久久无码精品亚洲日韩按摩| 天堂av无码av一区二区三区| 亚洲色大成网站www永久男同| 粗大黑人巨精大战欧美成人| 巨胸喷奶水WWW视频网站| 日韩人妻无码免费视频一区二区三区| 亚洲国产精品久久久久婷婷老年| 无码人妻精品一区二区三区视频| 国产乱啊有帅gv小太正| 亚洲AV无码无在线观看红杏| 真人无码作爱免费视频| 日韩精品亚洲人成在线观看| 中文字幕AV一区乱码| 亚洲AV成人无码久久精品老人熟| 欧美影视一区| 国产网站免费视频| 最新国产在线拍揄自揄视频| a级毛片毛片免费观看久| 无码人妻精品一区二区三区久久| 免费播放片ⅴ免费人成视频| 无码精品人妻一区二区三区人妻斩| 亚洲中文字幕无码久久2017| 亚洲av无码一区二区三区天堂古代| 欧美亚洲国产一区二区三区| 亚洲色大成网站WWW久久九| 亚洲色成人www永久网站| 中文无码乱人伦中文视频在线| 精品不卡一区二区| 久久久久亚洲av成人网人人网站| 一本一本久久a久久综合精品蜜桃| 狠狠88综合久久久久综合网| 特级毛片爽WWW免费版| 337P日本欧洲亚洲大胆精品| 久久精品国产一区二区三区不卡| 亚洲国产欧美不卡在线观看| 国产成人无码av一区二区在线观看| 爽到高潮漏水大喷视频在线观看| 亚洲最大天堂无码精品区|