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

    The standard of 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:Ammonia valve 2
    The next product:The standard of full welded ball valve 2

    手機網站

    主站蜘蛛池模板: 激情综合网激情国产av| 国产一区二区三区怡红院| 国产高潮国产高潮久久久| 国产成人调教在线视频| 欧美日韩v| 久久精品黄色录像| 久久婷婷激情综合久久| 9191精品国产免费久久片| 人妻AⅤ无码一区二区三区| 中文字幕无码免费久久| 亚洲精品午夜无码电影网| 中文字幕精品在线观看| 国产精品久久免费看| www.色中色| 日日躁狠狠躁狠狠爱免费视频 | 久久国产精品成人丁香五月| 国产v亚洲v天堂无码| 黄色免费美女网站| 办公室强奷漂亮少妇视频| 色综合久久一区二区三区| 亚洲国产精品一在线观看AV| 中文字幕日韩人妻在线乱码| 亚洲精品国在线观看| 风流老熟女一区二区三区| 日韩人妻无码AⅤ中文字幕你懂的| 曰产无码久久久久久精品| 亚洲av片不卡无码久久wy193| 亚洲熟女乱色一区二区三区| 中国农村真卖bbwbbw| 日本少妇又色又爽又高潮| 视频一区在线观看| 欧美高清在线精品一区| 香蕉超级碰碰碰久久兔费| 日韩欧美亚洲综合| 免费看欧美全黄成人片| 亚洲中文字幕| 在线看片免费人成视频久网 | 最新中文无码字字幕888在线| 亚洲日韩一区二区三区| 国产黄色一级片在线观看| 国产女人18毛片水真多1|