... welding 3)Size:1/2''-48''Our Carbon Steel Flange and Stainless Steel Flange be according to ANSI, DIN, UNI, BS ... Standard: 150LBS, 300LBS, 600LBS, 900LBS, 1500LBS. Welding Neck Flange, Slip-On Flange, Blind Flange; DIN FLANGES: DIN2527, DIN2573, DIN2576, DIN2633, DIN2566 ... ; UNI FLANGES: UNI 2253/2254/22762278/22812284/ 6083/6084/ 60896093 Plate, Slip-On, Welding-Neck, Blind Flanges; BS4504 / EN1092-1 ...