1. DN15-DN2000, 1/2"-78" 2. SLIP-ON, WELDING NECK, BLIND FLANGE 3. P245GH, P250GH, A105, RST37.2, Q235 UNI FLANGE 1) PRODUCT NAME: UNI FLANGE2) TYPE OF FLANGE: SLIP-ON, WELDING NECK, BLIND THREADED 3) SIZE OF FLANGE: 15A- 2000A, 1/2"-78"4) MATERIAL OF FLANGE: CARBON STEEL FLANGE: P245GH, P250GH, A105, RST37.2, Q235 STAINLESS STEEL FLANGE: F304 F304L F316 F316L 316TI5) SURFACE TREATMENT: ANTI-RUST ...