Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1999-10-27
2000-11-28
Huson, Gregory L.
Fluid handling
Line condition change responsive valves
Direct response valves
1375157, 137542, F16K 1500
Patent
active
06152171&
ABSTRACT:
A check valve is positioned in and between opposed tube ends and includes a valve body having a valve seat engageable by a valve element having a stem extending centrally of peripherally spaced apart elements interconnected by an annular end shoulder engaged by a keeper which receives the outer end of the valve stem and holds a coil spring against the valve element. The valve assembly is disassembled by manipulating the keeper against the spring out of engagement with the annular end shoulder.
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Messick DeLaun T.
Novak Mark A.
Huson Gregory L.
International Valve Corp.
Kim Joanne Y.
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