Conduit-break valves for a pressure conduit or hose with a...

Details Conduit-break valves for a pressure conduit or hose with a... Conduit-break valves for a pressure conduit or hose with a...

G - Physics

05

D

137/43.2

G05D 16/00 (2006.01) F16K 17/28 (2006.01) F17D 5/04 (2006.01)

Patent

CA 1198650

CANADIAN PATENT APPLICATION OF KARL SIEVERT PALMGREN FOR A CONDUIT-BREAK VALVE FOR A PRESSURE CONDUIT OR HOSE WITH A SURROUNDING PROTECTIVE CONDUIT OR HOSE Abstract of the Disclosure: A conduit-break valve for a double hose or con- duit is designed to operate under a higher pressure between the hoses or conduits than that prevailing in the inner hose or conduit and than that of the ambient atmosphere. The valve has a valve member which is urged by a spring towards its valve seat. A diaphragm or pis- ton device normally maintains the valve member in open position by the action of the pressure in a pressure chamber which is connected to the space between the hoses. At a break of the inner and/or the outer one of the hoses or conduits the pressure in the pressure chamber is reduced and the valve is closed by the action of the spring.

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