Pressure balancing valve

Details Pressure balancing valve Pressure balancing valve

1974-12-16

1976-05-18

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Flow rate responsive

137100, G05D 1103

Patent

active

039570738

ABSTRACT:
A pressure balancing valve has a pair of fluid ducts for hot and cold water, a butterfly type valve is located in each duct, a pressure cavity is provided that is in communication with each duct, and a resilient diaphragm mounted in the cavity converts pressure differential between the ducts into positional displacement of a rod-like pressure plate linkage secured to the butterflies. The butterflies pivot to alter fluid flow in the ducts until substantially equal pressures appear at the outlets of the ducts.

REFERENCES:
patent: 1999740 (1935-04-01), Schmidt
patent: 3688790 (1972-09-01), Esten

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