Vacuum pressure breaker and freeze protection for a water...

Details Vacuum pressure breaker and freeze protection for a water... Vacuum pressure breaker and freeze protection for a water...

2006-08-22

2006-08-22

Keasel, Eric (Department: 3753)

Fluid handling

Freeze condition responsive safety systems

C137S218000, C137S468000, C236S09300A

Reexamination Certificate

active

07093608

ABSTRACT:
A water flushing system for a pressurized subterranean water distribution system includes an inlet conduit for receiving pressurized water from the subterranean water distribution system; an outlet fluidly connected to the inlet conduit for discharging pressurized water in the inlet conduit downwardly towards a drain; and a control valve for controlling the flow of pressurized water in the inlet conduit. The water flushing system further includes one or more of the following features: a freeze protection assembly, a detachable coupling system, a dechlorination system, and a backflow prevention system.

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