1. <strong id="seay1"></strong>
  2. <tfoot id="seay1"><dfn id="seay1"></dfn></tfoot>

  3. 久久综合网欧美色妞网,国产强伦姧在线观看无码,免费女人18毛片a毛片视频,成人嫩草研究院久久久精品,偷窥 自由 网络 视频,丰满人妻一区二区三区,久久久中文字幕av无码,久久精品国产亚洲成人AV未满十八站

    Turbine drive full welded ball valve

    Dateline:2014-11-30    Hits:

    Size: full size & standard size DN50 (2 ") 1400 ~ DN (56")

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

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

    To adapt to the medium: Oil / gas, LNG / LPG gas, petroleum chemical industry, iron and steel plant, heating pipes etc.

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

    Standard features:

    Butt welding & flange for entity structure end

    Mirror polishing the stainless steel ball to test

    The preload spring cushion to ensure low temperature leak tight and reducing thevalve operating torsion

    According to the international standard against burst valve stem

    Stem dry automatic lubrication bearing capacity and metal with 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: the metal seat with polymer sealing ring, PTFE, RTFE, Viton, Nylon, Peek etc..


    The previous product:Gas valve
    The next product:Turbine drive full bore ball valve

    手機網站

    主站蜘蛛池模板: 国产视频精选全网| 挺进新婚少妇雪白肉体| 最新国产乱人伦偷精品免费网站| 亚洲 日韩 欧美 春色 | 国产最新进精品视频| 免费无码成年片在线观看| а√中文在线资源库| 成人特黄特色毛片免费看| 精品三级久久久久久久电影| 开心婷婷九月亚洲综合| 日韩AV无码国产精品| 国产suv精品一区二区69| 丰满人妻被公侵犯中文版| 欧美大香线蕉线伊人| 亚洲一区二区制服在线| 无码一区二区三区在线观看| 国产在线观看| 男人的天堂av社区在线| 国产亚洲首页精品| 久久综合激激的五月天| 欧美乱人伦中文字幕在线| 亚洲精品有码在线观看| 日本在线视频www鲁啊鲁蜜芽| 国产一区二区精品久久小说| 欧美国产日产一区二区| 国产新进精品视频| 欧美97久久人人模人人爽人人喊| 亚洲国产成人精品女久久| 国产无遮挡裸体免费视频在线观看 | 色婷婷亚洲日韩精品| 欧美日韩一区二区视频免费看 | 国产精品露脸在线观看| 天啦噜国产精品亚洲精品| 一级国产69式性姿势免费视频| 日韩免费在线中文字幕| 精品无码国产AV一区二区三区 | 337P粉嫩日本欧洲亚洲大胆艺| 亚洲中文无码亚洲人网站| 成 人 网 站 免 费 av| 丰满少妇被猛烈高清播放| 国产精品中文字幕久久|