久久精品国产网址_情趣最新小毛片免费在线观看_在线综合无码精品_久草一级欧美一黄_亚洲人成网正在播放va_无限资源高清版第一页免费_免费人成又黄又爽的视频禁_日本漫画工囗全彩内番漫画电车_亚洲成人av资源在线观看_欧美国产日韩a欧美在线视频

Return
  • Flange

  • Flange Full Welded Ball Valve

    Product model: Q341F
    Nominal Path: DN15-300mm
    Nominal pressure: PN1.0-4.0 MPa
    Suitable temperature: - 29 ~150.
    Major Material: Carbon Steel

    Scope of application

    Heating system, District heating, industrial use, city gas.


    Applicable medium

    Water, air, oil and other fluids that do not react chemically with carbon steel.