双偏心半球阀

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2010)0220042202:(1975-),,,(,201416);;;;;;:TH134:ADesignofdouble2eccentricsemi2ballvalveGUOfeng2zhong(ShanghaiKaiweixiValveGroupCompanyLimited,Shanghai201416,China)Abstract:Thisarticledescribesthedouble2eccentricsemi2ballvalvesperformancestructuralcharacter2isticsandthescopeofapplication.Keywords:double2eccentric;semi2ballvalve;ballvalve;float;meshing;trim;semi2ball1,,,,V,,,,,,,,2211(1),,,,(2)a,b,,,,,,(10,),,112131415161718112420102©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1)(3),,,d,,,,112131413(2),c,,,,,,,,(3),213,,,,ISO5211,,3,Cr-Mn-Si,,,(),,,,,,,,,,,4,,,1.M.:,1992.2.M.:,1992.3.3M.:,1992.4,.M.:,1992.(:2009109120)3420102