High-pressure balance stop throttle valve

High-pressure balance stop throttle valve

  • CN 2,600,662 Y
  • Filed: 09/29/2002
  • Issued: 01/21/2004
  • Est. Priority Date: 09/29/2002
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of high pressure balance cut-off throttle valve, it includes valve body, valve gap, be built in valve body valve gap joint is used to seal flowing lumen in the stuffing box gland, valve rod, valve of this valve, is located at Stuffing box on the stuffing box gland, inserts the filler of Stuffing box and the pressure ring that filler is compressed, when the valve body valve gap connects that stuffing box gland is fastening, valve rod passes Stuffing box on valve gap and the stuffing box gland to the flowing lumen of valve body, it is characterized in that described stem lower portion also is provided with cross deep trouth.

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