Gate valve
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United States of America Patent
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-
Sep 20, 1988
Issued Date -
N/A
app pub date -
Nov 16, 1983
filing date -
Dec 30, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gate valve having a metal-to-metal seal between the gate (26) and the seat carrier (20) and a metal-to-metal seal between the seat carrier (20) and the valve body (10) with the seat carrier and valve body having complementary spaced frustoconical surfaces (18,22).
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