:100225855(2008)0320005203:(1960-),,,,(,112000),DN4800,;;;:TH134:ASuppersizeintelligentflowcontroldevicecompletesetsforbutterflyvalveSUNDian2yu,CHENShu2lin,LIULi2hua(TielingValveStock2JointCo.,Ltd.LiaoningTieling112000)Abstract:SummaryIntroducethesignificancedevelopingthisequipment;designingtwotypesealofmovingandquiescentaccordingtoworkingcondition,haverealizedstructuraloptimizationdesignbycomputer;toanalyzestiffnessandintensityofmainbodybythefiniteelementmethodandsetforththeeconomiceffectandthemarketplaceprospect.Keywords:Butterflyvalve;structuredesign;doublesealingsets;dynamicsealing1,,,,,,,,,,,,DN4000,2211(1),,,,,,,,,,,212DN4800108183m150m013MPa520083()1213,,,,,,,(2),,,,,,,(),,,,(a)(b)2T,,620083(),(DN4800,),,,,,,(0),,214,(3),,,3DN4800,GB/T13927GB/T14478,,(a)DN4800(b)DN480034,40,5,,,,,1.M.:,2004.2.M.:,1992.(:2007109129)1989,,,,,ISBN7-5304-0495-4/Z1232,20100/10%,,15,:110142,:024-25653780E-mail:sfskkxz@chinavalveinfo.net