Control valve pressure bleed inspection port

Details Control valve pressure bleed inspection port Control valve pressure bleed inspection port

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 51/00 (2006.01) F16K 24/02 (2006.01) F16K 25/00 (2006.01) F16K 27/00 (2006.01) F16K 27/02 (2006.01)

Patent

CA 2394885

A valve with an integral means for bleeding internal pressure prior to separation of a bonnet for the valve from its engagement with the valve body, provided by a bore through the valve body. This allows the internal pressure of the valve to equalize with atmospheric pressure prior to complete disassembly of the bonnet from the valve body. The bore through the valve body also serves as a leak detector, by providing a path for fluids passing through the valve to leak to the exterior of the valve body in the event of a failure of the seal between the bonnet and the valve body, which can readily be detected by passersby upon inspection of the exposed end of the bore at the exterior of the valve body.

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