:10025855(2010)04002503:(1974-),,,,(,215001)介绍了三偏心硬密封蝶阀的等强度密封圈结构,论述了提高密封圈性能和长期使用寿命而做的工艺改进;;;:TH134:AEqualstrengthsealingdesignandprocessimprovementfortrieccentricitymetalsealingbutterflyvalveLIJunye(SUFATechnologyIndustryCo,LtdCNNC,Suzhou215001,China)Abstract:Brieflyintroduceastructuredesignofequalstrengthsealingusedfortrieccentricitymetalsealingbutterflyvalve,andpresentsprocessimprovementssoastoensurethesealingperformanceandlifetimeservice.Keywords:Trieccentricity;Butterflyvalve;equalstrengthsealingdesign;processimprovements1,,2(1)(2,),2~3mm,,,,,!,,,,,3(3),12∀25∀2010年第4期阀门3,,(),X1#X2,B,,,,,,,,4,,(4),X1=X2,,B2~3mm,,,45304304L,(2~3mm),,,,,17-4PH17-7PH,32~36HRC,860MPa,,38~43HRC,6~10HRC,,,X(5),,,5,,,56,()(67),,,7,,360∃,,,,,,∀26∀阀门2010年第4期67,,,,(,),,(8),,,,,(9),,,,,,,,,,,898,,,,,,,%1&%&J.L..%M&.:,1991.%2&.%M&.:,1992.(收稿日期:20090923)∀27∀2010年第4期阀门