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• hongjiavalve hongjiavalve wrote a new blog entry:

  Apr 22

  

  How Does a HongJia Ball Valve from HongJiavalve Seal Body Joint

   
  A valve designed for standard water or gas lines works perfectly when internal pressure exceeds external pressure, because any leak pushes fluid out where a technician can see and fix it. However, a ball valve installed in a vacuum service faces t...

  • #ball valve