Stem seal for tapered lubricated plug valves

Details Stem seal for tapered lubricated plug valves Stem seal for tapered lubricated plug valves

F - Mech Eng,Light,Heat,Weapons

16

K

251/36

F16K 41/00 (2006.01) F16K 5/02 (2006.01) F16K 41/02 (2006.01) F16K 43/00 (2006.01)

Patent

CA 1284978

IMPROVED STEM SEAL FOR TAPERED LUBRICATED PLUG VALVES Abstract of the Disclosure A method of forming a stem seal and controlling the sealant film thickness in a lubricated plug valve in which a deformable ring is inverted in an annular space between the stem, the valve cover and the top of the plug and the ring is deformed into sealing engagement with the plug, the stem and cover by applying pressure to the sealant system of the valve during assembly.

515215

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