... DIN/ EN1092/ ANSI B16.5/ UN /BS 4504 DN15~~DN3600 Stainless steel flange STANDARD: ANSI, ASA, and AWWA standards, in addition ... JIS B-2220, BS4504, BS10 and AS2129 standards. TYPE: plate flanges, blind flanges, slip-on handles, welded necks, welded sockets, and threads ... and Europe.We manufacture all kinds of flanges ,such as forged SO flange ,blind flanges and welded neck flange and more as ...