... ,SBG,ABS,DNV,BV,NK etc Material:stainless steel Size:1/2-80" Moq:10pc Stainless steel and Figure 8 blind flange Type FlangeSize1/2 ... WP1, WP12, WP11,WP22,WP5, WP9,WP914)Duplex & Super Duplex Stainless Steel :ASTM A815 UNS S31803,UNS S32750, UNS S32760PackagingWooden Cases, wooden ... the production process are made under the ISO9001:2000 strictly. Stainless steel and Figure 8 blind flange