Pressure compensating flush valve with self-cleaning piston

Details Pressure compensating flush valve with self-cleaning piston Pressure compensating flush valve with self-cleaning piston

2008-05-06

2011-12-06

Fristoe, Jr., John (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S509000, C137S513500, C251S028000, C251S040000

Reexamination Certificate

active

08069877

ABSTRACT:
A flush valve according to the present disclosure includes a pressure compensating device for toilet and urinals to ensure consistent flush and bowl refill volumes. Certain flush volume limits may required for compliance with federal, state and local regulations regarding water usage. The flush valve can adjust water flow rates within the prescribed water usage limits and does not sacrifice the toilet's bowl washing and waste removal capabilities.

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