Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1990-05-03
1992-04-28
Rivell, John
Fluid handling
Line condition change responsive valves
Direct response valves
F16K 1504
Patent
active
051078902
ABSTRACT:
A ball check valve has a body member, a conical spring, a ball and valve seat. The valve seat includes a coined seating surface to reduce leakage.
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Gossett Dykema
Huron Products Industries, Inc.
Rivell John
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