三杆式切断蝶阀阀门特性：液动空气、煤气切断型号：QD7s40SX、QD7s40Sh主要尺寸、参数及质量：DNDD1Lbn-dH1H2HL1L2缸径质量4005404953102416-229125931496436600504304505955503302416-229406201550456600504805006456603502624-269656451600472700635406007557053902624-2610007001709483700637157008608104302624-2810347501794498800809008009759204702624-3010958101910539850801020900107510205102624-301145860201058290010012701000117511205502628-301195910211058595010014451200140513406302832-33131010252340615100012518001400163015607103236-36142311402565684110012524301600183017607903440-36152312402465728120014027301800204519708703644-39163013482980818130014031702000226521809503848-421740145032008571400160413022002475239010004252-4218461500341092715001604509)