... .Materials:stainless steel or carbon steel 3.Standard:JIS,EN,DIN,ANSI,ASME 4.Type: slip on , blind , WN ,SW--Methodby forging ,forged ... ,160 ETC. Available with NACE MR 01-75 material stainless steel , carbon steel , nickel alloy ,cast iron ,brass , aluminum standardANSI : ANSI B16 ...