Connecting on-off valve

Connecting on-off valve

CN
  • CN 2,460,809 Y
  • Filed: 11/24/2000
  • Issued: 11/21/2001
  • Est. Priority Date: 11/24/2000
  • Status: Active Grant
First Claim
Patent Images

1. disjunctor switch valve, comprise that valve body (2), spool (3), seal ring (4) and valve block up (5), it is characterized in that:

  • described valve body (2) is a hollow tube, be provided with output pipeline (11) therebetween, the joint of output pipeline (11) and valve body (2) valve body (2) inwall of side on the lower side is provided with step (14), simultaneously in the joint of gas pipeline (11) and valve body (2) on the upper side valve body (2) inwall of side to the top end of valve body (2) be provided with internal thread (12);

    Spool (3) is gone up the top and is provided with one handle (31), and following bottom is provided with a groove (32) and of placing seal ring (4) counterbore (33) of valve stifled (5) is installed, and is provided with the outside thread (34) that matches with the internal thread (12) of valve body (2) in the middle;

    Valve stifled (5) can press the plug of shutoff on valve body (2) intermediate step (14) by the valve rod in the counterbore that can be installed in spool (3) (33) and to be formed.

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