Fluid handling – Liquid level responsive or maintaining systems – By float controlled valve
Patent
1989-05-02
1990-02-20
Walton, George L.
Fluid handling
Liquid level responsive or maintaining systems
By float controlled valve
137449, 13751629, 251332, 251333, 251900, F16K 3122, F16K 3300, F16K 2500
Patent
active
049017543
ABSTRACT:
Valve assemblies having a valve seat with a conical surface for causing an included O-ring to roll upon and wedge against the conical surface for closing the port when a spherical valve member is forced against the O-ring.
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The Johnson Corporation Bulletin VB-1001, "Vacuum Breakers", 6-12-84.
The Johnson Corporation, Private Communication including letter dated 1/3/85 and Drawing dated 6/23/82 pp. 6-25 and 6-26 of Parker Handbook.
Church Henry
Graboff Roy
Maldarelli Lawrence V.
Sable Chester A.
Anthony Industries, Inc.
Walton George L.
Weiss David
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