METHOD AND APPARATUS TO FACILITATE THE INJECTION OF SEALANT INTO A PRESSURIZED FLUID MEMBER

A method and apparatus are provided for injecting sealant into a packing assembly chamber surrounding a valve stem (11) of a valve (2) without venting the pressure within the valve (2). A cylindrical body (60) is frictionally welded to the exterior of the valve (2) adjacent the packing assembly cham...

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Bibliographische Detailangaben
Hauptverfasser: BUTLER, JOHNNY, L, BATSON, DONALD, R, METZGER, ROBERT, E, WAKELAND, RICHARD, E
Format: Patent
Sprache:eng
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