1.Stainless steel Blind Flange 2.Materical 304,321,316,316L,310S 3.Specification DN10-2000 ... SpecificationItemBlind FlangeMaterical304,321,316,316L,310S,20#SpecificationDN10-2000Size1/2"-24",the max to 2 metreStandardGB,JB,CB,HB,HG,SH,SY,DL ... ,we had a good business in China and foreign,Export to Malaysic,India,UAE and so onif you need these products ...