1. <tbody id="d55mv"><center id="d55mv"></center></tbody><dd id="d55mv"></dd>

      <dd id="d55mv"><big id="d55mv"><video id="d55mv"></video></big></dd>

        1. <th id="d55mv"></th>
          <button id="d55mv"></button>

          Double door check valve

          Cast iron flanged DIN check valve. DN50-DN400MM with the best quality.

          1.It''s double door check valve. 

          2 Either too low a line velocity or too high a velocity can damage valve internals and shorten valve life.

          3.Service in systems involving rapid and frequent flow reversals, pulsation or excessively turbulent flow should be avoided.

          4Threaded seat rings in valves in services with high velocity (turbulent) flow or thermal cycling should be lock welded to the body to avoid loosening

          版權所有:鐵嶺閥門(集團)工貿有限公司  廠址:遼寧省鐵嶺市銀州區廣裕街118號  進出口部:鐵嶺市銀州區全球通大廈1406室
          電話:+86-024-72826177 72216500  傳真:+86-024-72816177  手機:13904906500  郵編:112000  E-mail:ty6500@163.com
          網址:www.www.museedubucheronlespiles.com  遼ICP備11017782  網站制作:大友科技
          在线 亚洲 视频 小说