<rt id="ua64s"></rt>
<center id="ua64s"></center>
  • <abbr id="ua64s"><tbody id="ua64s"></tbody></abbr>
  • 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(jī)網(wǎng)站

    亚州日韩精品专区久久久| 久久一区二区精品| 性做久久久久久久免费看| 久久午夜国产电影| 久久久精品波多野结衣| 国产精品久久久久久久久久久不卡| 久久99久久精品视频| 91精品国产综合久久婷婷| 国产精品久久久久三级| 久久人与动人物a级毛片| 久久中文网中文字幕| 久久国产一区二区| 99久久99这里只有免费的精品| 少妇高潮久久久久久| 久久机热这里只有精品无需| 久久一区二区三区精品| 久久综合精品不卡一区二区| 中文字幕无码久久人妻| 精品久久国产一区二区三区香蕉| 精品无码久久久久久久久水蜜桃| 国产91色综合久久免费| 久久午夜无码鲁丝片| 久久亚洲AV午夜福利精品一区| 中文字幕无码久久精品青草| 久久久久人妻一区精品果冻| 亚洲精品成人久久久| 免费精品久久久久久中文字幕| 精品无码久久久久久尤物| 久久九九精品国产av片国产| 青青青国产成人久久111网站| 97久久婷婷五月综合色d啪蜜芽 | 久久久久久国产a免费观看不卡| 手机看片久久高清国产日韩| 加勒比精品久久一区二区三区| 青青国产成人久久激情911| 亚洲欧美熟妇综合久久久久| 91麻豆国产精品91久久久| 蜜色欲多人AV久久无码| 热久久99精品这里有精品| 国产精品久久久久三级| 尹人香蕉久久99天天拍|