... , GOST, ETC STANDARD: 1)ANSI, DIN, UNI, BS, JIS, KS 2)Welding Neck Flange, Slip-On, Blind,Lap joint,socket ... Size:1/2''-48''Our Carbon Steel Flange and Stainless Steel Flange be according to ANSI, DIN, UNI, BS, JIS, KS standards ... Neck Flange, Slip-On Flange, Blind Flange; DIN FLANGES: DIN2527, DIN2573, DIN2576, DIN2633, DIN2566 DIN2543, DIN2573, DIN2544/2545, DIN 2632 / 2634/2635---including PN6, PN10 ...