Thermostatic self-powered drain valve

Details Thermostatic self-powered drain valve Thermostatic self-powered drain valve

1980-08-04

1982-05-04

Walton, George L.

Fluid handling

Freeze condition responsive safety systems

Low temperature responsive drains

137 79, 138 32, 237 80, E03B 712, F16L 5500

Patent

active

043277616

ABSTRACT:
A water or other hydraulic system is protected by a thermostatic drain valve having a bimetal disc arranged with a three port cavity and a specially designed and compliantly sealed valve core so that the spring action of the disc acting together with the pressure of the fluid in the system constitutes the only power required to operate the valve.

REFERENCES:
patent: 1306186 (1919-06-01), Kidder
patent: 2118299 (1938-05-01), Ellis
patent: 2301318 (1942-11-01), Peo
patent: 2777303 (1957-01-01), Slattery
patent: 3320965 (1967-05-01), Morgan

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