Gate valve seat
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United States of America Patent
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-
Nov 17, 1998
Grant Date -
N/A
app pub date -
Sep 25, 1996
filing date -
Sep 25, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is provided a gate valve arrangement consisting of at least one sealing ring defining a valve seat, and having a reciprocable gate plate in sealing contact with the valve seat, which effects a pressure seal in one direction on the seat and at the same time allowing the seat to vent in the opposite direction to relieve pressure within the gate valve.
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Cited Art Landscape
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