| 摘要 |
The flush tank control valve is developed to discharge a desired amount of flushing water from the tank into the bowl it serves. The flush water amount is to be adjusted at every flush. The main parts of the adjustable water discharge system are: the manual control mounted outside the flush tank, and the water discharge assembly, installed inside the tank. The water discharge system is based on the operation of a sliding weight, and a bouyant cylinder. The bouyant cylinder regulates the flapper valve's opening which controls the flushing water quantity. The flush tank water supply system, including the tank's filling, the overflowing, and the bowl's refilling systems, is conventional.
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