... (SS) 304 LB150 1.Stainless steel flange 2.Stainless steel 3.Certification:ISO9001:2008,TUV 2010 PED2010 ANSI Stainless Steel(SS)304 LB1501 ... , Orifice Flanges and Non-Standard flanges 2. Material: carbon steel, stainless steel and alloy steel flange3. Standard: ANSI, JIS, BS, DIN ...