Ball valve and method of assembly
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United States of America Patent
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Aug 18, 1992
Grant Date -
N/A
app pub date -
Nov 18, 1991
filing date -
Nov 18, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A ball valve (10) has a one-piece valve body (12) with a small diameter bore (16) and an opposed large diameter bore (18) in fluid communication with a valve chamber (14). An annular flange (40) projects within the large diameter bore (18) and a washer-type square spring (50) is inserted within the central opening (44) defined by the flange (40) and then positioned in centered relation on the shoulder (42) defined by the flange (40) for urging the ball valve member (24) into seated position against an annular seat (22) about small diameter bore (16).
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