<big id="9j97t"><sub id="9j97t"></sub></big>
    <menuitem id="9j97t"><sub id="9j97t"><menuitem id="9j97t"></menuitem></sub></menuitem>

    <p id="9j97t"></p>
      <video id="9j97t"></video>

        <dl id="9j97t"><mark id="9j97t"><rp id="9j97t"></rp></mark></dl>

        Wellcome To 【Tieling Water Valve CO.,LTD】Web!

        Today is:

        Your location:首頁  > PRODUCTS

        Double Discs Butterfly Type Buffering Non-return Valve(HX47)

        1-1.jpg

        2.jpg

        MATERIALS OF MAIN PARTS

        3.jpg

        There are two discs, the small one is in the center of the large one. The large disc drops quickly when closing and it is controlled by the damper near the closing position and the small disc is controlled by another damper. Slow closing follows quick closing. This valve can prevent the pump turning back and super-high water hammer pressure.

        草蜢在线观看免费高清完整版_曰批免费视频播放_天堂在线.www在线

          <big id="9j97t"><sub id="9j97t"></sub></big>
          <menuitem id="9j97t"><sub id="9j97t"><menuitem id="9j97t"></menuitem></sub></menuitem>

          <p id="9j97t"></p>
            <video id="9j97t"></video>

              <dl id="9j97t"><mark id="9j97t"><rp id="9j97t"></rp></mark></dl>