Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line
Patent
1998-11-04
2000-09-19
Walton, George L.
Fluid handling
Back flow prevention by vacuum breaking
Air vent in liquid flow line
137849, E03C 110, F16K 2402, F16K 1514
Patent
active
061197130
ABSTRACT:
Apparatus for delaying initiation of a successive flush cycle in a plumbing system utilizing a diaphragm flush valve having an improved relief valve assembly and/or an improved vacuum breaker assembly structured to delay after initiation of an initial flushing cycle the resetting of the relief valve sleeve member in a position for a successive operative contact by the flush valve plunger pin.
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