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A flushometer system includes a valve body having an inlet, an outlet, and an actuation opening, a main valve seat assembly disposed in the valve body, a piston assembly slidably disposed within the valve body and configured for sealing the main valve seat assembly and moving to permit liquid to flow through the main valve seat assembly, and an actuation module engaged with the valve body. A relief chamber is defined between the actuation module and the piston assembly, and the actuation module is configured to vent the relief chamber upon actuation. The actuation module includes first and second plungers. The first plunger and the second plungers are moveable to vent the relief chamber, where the piston assembly moves to permit water to flow through the main valve seat assembly. Movement of the first plunger allows a larger flush volume to pass through the main valve seat assembly than movement of the second plunger.
A flushometer system includes a valve body having an inlet, an outlet, and an actuation opening, a main valve seat assembly disposed in the valve body, a piston assembly slidably disposed within the valve body and configured for sealing the main valve seat assembly and moving to permit liquid to flow through the main valve seat assembly, and an actuation module engaged with the valve body. A relief chamber is defined between the actuation module and the piston assembly, and the actuation module is configured to vent the relief chamber upon actuation. The actuation module includes first and second plungers. The first plunger and the second plungers are moveable to vent the relief chamber, where the piston assembly moves to permit water to flow through the main valve seat assembly. Movement of the first plunger allows a larger flush volume to pass through the main valve seat assembly than movement of the second plunger.
Dual Flush Flushometer System
SHARMA HEMANT (author)
2024-10-03
Patent
Electronic Resource
English
Wiley | 1924