SELF-THROTTLING VALVES FOR RESIDENTIAL WATER SUPPLY SYSTEMS

摘要

A pressure activated self-throttling valve disposed upstream of a home can mitigate negative pressurization upstream from the valve and its resulting harmful effects on a residential water supply by tending to close when the home imposes a negative pressure on the supply. Specifically, a pinch valve or the like disposed upstream from a home can temper the home's ability to withdraw excess water from a municipality's water supply (e.g., through the use of an inline booster pump or other unauthorized components) and reduce the likelihood of contaminants being drawn into the water supply (e.g., through leaky piping). To this end, the valve may be configured to close when a pressure on the upstream side of the valve falls below a predetermined pressure. Thus, even with a pump operating at the home, when negative pressure is imposed on the supply the valve will tend to close and prevent the home from overdrawing or potentially contaminating the water supply.