SPINDELDICHTUNG FUER GESCHMIERTEN, MIT KONISCHEN KUEKEN VERSEHENEN ABSPERRHAHN.
摘要
<p>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.</p>
申请公布号
DE3675200(D1)
申请公布日期
1990.11.29
申请号
DE19863675200
申请日期
1986.08.01
申请人
M & FC HOLDING CO. INC., WILMINGTON, DEL., US
发明人
SCHOENEWEIS, E. FREDERICK, CORAOPOLIS PENNSYLVANIA 15108, US;DUFFEY, DONN W., PITTSBURGH PENNSYLVANIA 15238, US