Freeze control valve

Details Freeze control valve Freeze control valve

1992-05-20

1994-01-04

Wayner, William E.

Fluid handling

Freeze condition responsive safety systems

Low temperature responsive drains

137 79, 236 93A, E03B 710

Patent

active

052751929

ABSTRACT:
In the Freeze Control Valve is situated a bellows that will contract at a temperature of 33 to 34 degrees F. thus triggering the valve to its position allowing the water or liquid to flow through a small discharge hole in the valve body, this in turn allows the water to heat to a higher temperature as it flows from the water line that are normally buried underground or an area that would have an above freezing temperature of 45 to 50 degrees F., the bellows at this temperature will expand, thus closing the Freeze Control Valve shutting off all exiting through the small discharge hole in the side of the valve body. When the water in the Freeze Control Valve drops again to 34 degrees F. the valve bellows repeats its action, this keeps the water from freezing.

REFERENCES:
patent: 2165171 (1939-07-01), Zinkil
patent: 3446226 (1969-05-01), Canterbury

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