... Flange Standards: ANSI,API,BS,DIN,UNI,JIS and MSS SP Size:1/2"-64"(DN 15mm-1600mm) FlangeType ... ,Welding Neck,Blind,Socket Welding,Threaded,Lap Jont and Plate etc.Pressure rating:: Class 150,300,600 ... ,900,1500 and 2500Rressure ratings: PN6,PN10,PN25,PN40,PN64Materials: Carbon ... steel ,Stainless steel and Alloy steel etc.Standards: ANSI,API,BS,DIN,UNI,JIS and MSS SPSize:1/2”-64 ...