<rt id="ua64s"></rt>
<center id="ua64s"></center>
  • <abbr id="ua64s"><tbody id="ua64s"></tbody></abbr>
  • The standard of full welded ball valve 2

    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

    一本色道久久88亚洲综合| 99久久综合狠狠综合久久aⅴ | 精品久久亚洲中文无码| 99久久无色码中文字幕| 色综合久久一区二区三区| 久久综合香蕉国产蜜臀AV| 免费精品久久天干天干| 国产精品成人无码久久久| 精品免费久久久久久久| 久久久久免费看黄a级试看| 三上悠亚精品一区二区久久| 热99re久久免费视精品频软件 | 伊人久久大香线蕉亚洲| 免费一级做a爰片久久毛片潮| 亚洲香蕉久久一区二区| 人妻无码中文久久久久专区| 亚洲人成精品久久久久| 久久久久久av无码免费看大片| 亚洲日本久久久午夜精品| 99久久国产综合精品swag| 久久精品国产亚洲AV网站| 中文字幕乱码久久午夜| 久久er国产精品免费观看8| 午夜一级做a爰片久久毛片| 久久久人人人婷婷色东京热| 97久久精品国产成人影院| 亚洲伊人久久大香线蕉苏妲己| 久久精品国产99国产| 国产成人久久精品一区二区三区| 久久免费公开视频| 久久免费国产精品一区二区| 思思久久精品在热线热| 国内精品伊人久久久久网站| 成人综合久久精品色婷婷| 久久综合亚洲色HEZYO社区| 久久久久久亚洲AV无码专区| 久久久久久久久久久福利| 久久精品一区二区东京热| 久久精品一区二区三区资源网| 久久精品女人毛片国产| 久久狠狠色噜噜狠狠狠狠97|