... : certificate:ISO9001,CE Material: Carbon steel/stainless steel standard:EN,UNI,JIS,DIN,ANSI Carbon Steel A 105 ANSI Blind Flange:Specifications ... ,UNI2282,UNI6090,UNI6091,UNI6092,UNI6093 flangesPackage details:Ploywood cases,pallet,and as per the coustomer's requirement.Surface treatment: ... are sincerely welcome your valuable inquiry and questions. Carbon Steel A105 ANSI Blind Flange with good quality