1)ball vavels sanitary 2)DIN,SMS,NPT,3A,ISO,etc. 3)304/304L,316/316L, pipe fitting/fittings features:1)type:elbow,tee,cross,reducer,stub end,cap,flange.2)material:304,304L,316,316L,321,etc.3)size:DN10-1200mm4)wall thickness:Sch5s-Sch160s5)GB,ANSI/ASME,DIN,JIS. stainless steel fittings