Pressure relief valve and method for subsea components

Details Pressure relief valve and method for subsea components Pressure relief valve and method for subsea components

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 17/04 (2006.01)

Patent

CA 2685771

A relief valve for a pressure vessel includes a housing having an inner bore extending between an inlet and an outlet, a piston located within the inner bore, a spring disposed about the piston and configured to bias the piston into a closed position, a test port in communication with the inner bore, a removable test plug sealingly disposed within the test port, and a first seal and a second seal disposed within the inner bore on either side of the test port, the first and second seals configured to engage the piston and hydraulically isolate the inlet from the outlet when the piston is in the closed position.

La présente invention concerne une soupape de libération d'une cuve sous pression qui comprend un logement ayant un alésage interne se prolongeant entre une entrée et une sortie, un piston situé dans l'alésage interne, un ressort disposé autour du piston et configuré pour dériver le piston dans une position fermée, un orifice de test en communication avec l'alésage interne, une prise de test amovible disposée de manière étanche dans l'orifice de test, ainsi qu'un premier et second joint disposés dans l'alésage interne de l'un ou l'autre côté de l'orifice de test, le premier et le second joints étant configurés pour engager le piston et isoler au plan hydraulique l'entrée de la sortie lorsque le piston est en position fermée.

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