九九久久国产三级午夜有码_欧美日韩在线成人_在线观看免费日韩片_一区二区在线大桥未久播放_国产精品自拍午夜福利在线播放_日韩欧美精品系列_涩视频成人永久免费观看网站_少妇无码潮吹10p_亚洲图片无码视频_最近中文字幕亚洲电影

Return
  • API
  • API Internal Thread Gate Valve

    Product model: Z11W
    Nominal Path: NPS1/2"~2"
    Nominal pressure: Class150-600 Lb
    Applicable Temperature: - 29 ~425
    Applicable media: water, steam, oil, other corrosive media

    Advantages of Internal Thread Gate Valve

    1. Compact structure, reasonable design, good rigidity of valve, smooth passage and small flow coefficient

    2. The sealing surface is made of stainless steel and cemented carbide with long service life.

    3. Flexible graphite packing, reliable sealing, easy and flexible operation.