Valve rod packing loss display device

Valve rod packing loss display device

  • CN 102,748,529 B
  • Filed: 06/14/2012
  • Issued: 01/07/2015
  • Est. Priority Date: 06/14/2012
  • Status: Active Grant
First Claim
Patent Images

1. a stem packing loss display unit, comprise valve rod, valve gap, support, between valve rod and valve gap, filler is set, filler upper end arranges filler pressing sleeve, it is characterized in that:

  • filler pressing sleeve upper end pressing sleeve is contained in the hold-down grid on hold-down bolt, arranges pressing plate disc spring above hold-down grid, the nut of hold-down bolt is pressed in pressing plate disc spring, one end of pressing plate displacement extension bar is connected with hold-down grid, and the other end nearside of pressing plate displacement extension bar arranges displacement transducer;

    Displacement transducer has upper and lower two, is separately positioned on the both sides up and down of pressing plate displacement extension bar.

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