Anti-siphon flush valve construction

Fluid handling – Back flow prevention by vacuum breaking – Air vent in liquid flow line

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Details

251214, F16K 2400

Patent

active

039659224

ABSTRACT:
A flush valve construction consists of a jacket and piston assembly for controlling fluid flow. An integral metering passage stop and vacuum breaker are associated with the piston assembly for controlling the operation of the valve. Operable means are adapted for displacement of the piston assembly and adjustment of the stop. Repair and adjustments can be made without disturbing associated plumbing.

REFERENCES:
patent: 1123801 (1915-01-01), Robinson
patent: 1226175 (1917-05-01), Bibleheiser
patent: 1716183 (1929-06-01), Possons
patent: 2328382 (1943-08-01), Langdon
patent: 2647810 (1953-08-01), McCuistion
patent: 2754840 (1956-07-01), Hicks
patent: 3279746 (1966-10-01), Arnold
patent: 3363652 (1968-01-01), James
patent: 3400731 (1968-09-01), McCornack
patent: 3487435 (1969-12-01), Sheardown
patent: 3511470 (1970-05-01), Beckett et al.
patent: 3842857 (1974-10-01), McCornack

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