Multi-story water distribution system

Details Multi-story water distribution system Multi-story water distribution system

2007-12-18

2007-12-18

Keasel, Eric (Department: 3753)

Fluid handling

With casing, support, protector or static constructional...

Static constructional installations

C137S563000

Reexamination Certificate

active

10851349

ABSTRACT:
A method and system for the distribution of water in a high rise building is provided using a minimum number of piping risers. The system has a domestic cold water riser, and a domestic hot water supply riser and a return riser. At each serviced floor, a cold water supply main extends from the domestic cold water riser and a hot water supply main extends from the domestic hot water supply riser. On each floor at which riser pressure is higher than domestic use pressures, a valve reduces the pressure of the entire cold water supply main to domestic use pressures. One or more valves at each of one or more suites on the floor reduce the pressure of the hot water to each suite, leaving the hot water supply main for the floor at full riser pressure. Coupling fan-coils with chilled water supply and the full pressure domestic hot water provides an efficient piping system for both environmental controls and domestic hot water use. Regular and periodic circulation through fan-coils avoid stagnation of the domestic hot water supply.

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