Importance

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Abstract

The present invention relates to a water piping system prevents degradation of water quality due to fluid remaining in a fuel tank for a long period of time and removes air and other impurities in a pressure tank and a pipe, and a method of controlling the same. The water piping system includes: a pump pressurizing fluid; a main pipe for delivering the fluid pressurized by the pump; a main valve disposed at an outlet port of the pump in the main pipe; a pressure tank connected to the main pipe; and a sub-pipe having a first end connected to a front side of the main valve of the main pipe and a second end connected to the pressure tank so that some of fluid pressurized and discharged from the pump is delivered to the pressure tank through the sub-pipe, thereby discharging substances in the pressure tank to the outside.

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First Claim