Carbon steel blind Flange 1) standard: DIN, BS, JIS 2)weight: 0.1-20000kg ... --DN5000 and othersTypesSlip-On, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange and Plate flange etc.Applicable standard GB, ASME , ASTM ... steel, alloy steel, stainless steelPressure RatingsClass 150, 300, 600, 900, 1500 and 2500PN 6, PN 10, PN16, PN25, PN40 and PN64Applications ...