... steel Pressure: pn6,10,16,25,40 UNI 2280/1/2/3/4 1.Sizes: DN15 to DN600, 1/2 inch to ... 24inch2.Material: carbon steel, stainless steel3.Standard: ANSI,JIS,DIN,BS4504,SABS1123,EN1092,UNI ... , please don't hesitate to contact me for flange price uni steel flange blind