<legend id="c0yno"><track id="c0yno"></track></legend>
<cite id="c0yno"><li id="c0yno"></li></cite>
<s id="c0yno"><li id="c0yno"></li></s>

    这里精品国产清自在天天线,91精品综合久久久久3D动漫,日韩精品无码中文字幕一区二区,正在播放国产一级视频,中文人妻av大区中文不卡,韩国三级中文字幕hd久久精品,亚洲成av人片在线无码,国产精品 入口麻豆免费版

    The standard of full welded ball valve A

    Dateline:2014-11-30    Hits:

    Size: full size & standard size DN15-DN1400 1/2 "American Standard ~ 56"

    Pressure rating: PN 16 ~ 420, ANSI Class 150 ~2500

    Working temperature: -29 degrees C (-20 degrees F) ~ +200 degrees C (392 degrees F)

    To adapt to the media: heating pipeline, LNG / liquefied petroleum gas, petrochemical,steel mills, oil / gas etc.

    Mode of operation: the handle, gear (vertical / horizontal), electric

    Standard features:

    Integrated structure: Welding & flange end

    The sphere mirror polishing material F304

    Butterfly pad spring to ensure no leakage and reduce the high temperature and high pressure valve operating torsion

    According to the international standard valve stem anti blow out

    Stem bearing material: automatic lubricating ability of alloy +PTEF coating, without additional lubricant

    A floating or fixed ball valve

    Feature selection: (on request)

    Self rescue seat

    Vertical device and stem extension

    Special port and path

    Antistatic device

    The stem can emergency treatment of oil and fat

    Valve lubricant and sealant of emergency equipment

    Seal metal to metal seating

    Double block and bleed

    Double piston effect of valve seat

    Fire safety design with graphite gasket

    Use a plastic polymer sealing valve seat

    Safety valve body cavity

    Ball and stem of electroless nickel plating

    Material:

    Body: carbon steel ST37, A106-B, STPG 370, A105, ASTM A516-60, A216-WCB or equivalent. Stainless steel 304 or 316 (to choose)

    Sphere: stainless steel 304 or 316 level seat: metal valve seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peek etc..


    手機網站

    主站蜘蛛池模板: 日文字体乱码一二三四最新| 高清在线一区二区三区视频| 欧美日韩精品一区二区在线国产精品| 日本久久精品一区二区三区| 最近中文字幕高清免费大全8 | 久久只精品99品免费尤物| 亚洲日本va中文字幕无码毛片| 中文熟妇人妻av在线| 天天操天天干天天射| 色综合久久综合久鬼88| 国产精偷伦视频在线观看| 任你躁欧美一级在线精品| 国产最新亚洲精品| 久热无码中文视频在线| 特黄毛片一级高清| AV潮喷大喷水系列无码番号| 西西444www高清大胆| 国产大尺度一区二区视频| 手机看片人妻在线| 久久国产精品九九精品国产| 国产亚洲精品自在久久蜜tv| 国产在线观看91电影资源| 久久精品水蜜桃AV综合天堂| 国产成人涩涩涩视频| 登封市| 和子发生了性关系的免费视频| 亚洲中文字幕日产乱码2021| 国产国产人免费视频成69| 国产亚洲精品AA片在线爽| 国产女人爽水多毛片| 亚欧美无遮挡hd高清在线视频| 五年沉淀只做精品的app| 厨房玩朋友娇妻hd完整版视频| 亚洲中文字幕aⅴ天堂自拍| 国产欧美亚洲精品a第二页| 精品人妻少妇一区二区三区不卡| 无码人妻人妻经典视频| 最近中文字幕高清免费大全8| 新国产三级在线观看播放| 午夜精品久久久久久99热| 国产精品中文字幕免费|