Retention valve particularly for liquid-bearing conduits

Details Retention valve particularly for liquid-bearing conduits Retention valve particularly for liquid-bearing conduits

1987-01-30

1988-09-06

Rivell, John

Fluid handling

Line condition change responsive valves

Direct response valves

137543, 251367, F16K 1506, F16K 2710

Patent

active

047685492

ABSTRACT:
The present invention relates to a retention valve for liquid-bearing conduits, comprising a containment body provided with threaded sleeves for connecting to conduits, and, in its interior, with valve means suitable for cutting off the flow of a liquid. The containment body is provided in two parts of pressed sheet metal; the valve is characterized by small dimensions and an increased passage cross-section with satisfactory mechanical characteristics.

REFERENCES:
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patent: 2797704 (1957-07-01), McDermott et al.
patent: 2869221 (1959-01-01), Siepmann
patent: 2942617 (1960-06-01), Gilliam
patent: 3378030 (1968-04-01), Cary
patent: 3430647 (1969-03-01), Suchowolec
patent: 3506239 (1970-04-01), Johnson
patent: 3674238 (1972-07-01), Pickles et al.
patent: 3742983 (1973-07-01), Harter

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