Balanced relief valve with novel seal

Details Balanced relief valve with novel seal Balanced relief valve with novel seal

F - Mech Eng,Light,Heat,Weapons

16

K

137/39.1

F16K 31/122 (2006.01) F16K 17/10 (2006.01)

Patent

CA 1166117

Abstract Of The Disclosure A pilot operated pressure relief valve for use on medium and high pressure vessels, conduits, and the like. A two-stage, non-flowing pilot valve operates a main relief valve of substantially greater capacity. In a preferred embodiment the main valve is mounted directly onto the pressure vessel which is to be vented at a predetermined pressure. The pilot is preferably mounted closely adjacent to the main valve for operating communication therewith. An improved main valve seal is provided which allows the use of commonly available seal configurations in a simple and easily assembled construction to provide a fast operating, high pressure seal.

375899

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