api 600 cast steel wedge gate valve.gif的简单介绍Size:NPS2"-20"PressureRating:Class600~2500BasicDesign:ASMEB16.34Inspection&Testing:ISO5208,ASMEB16.34BodyMaterials:Carbonsteel,AlloySteel,Stainlesssteel,DuplexStainlesssteelapi 600 cast steel wedge gate valve.gif的详细信息Size:NPS 2"-20" |