... SW Size:DN15-6000 Specification : 1) Materials :Stainless steel flange and carbon steel flange 2) Standard: ASME, ANSI, API, JIS, JPI, ... 4) Types Slip-On, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange and Plate flange etc 5) Size: DN10-DN5000 ... 6)Pressure:class 150,300,600,900,1500,2500,pn6,pn10,pn16,pn25 ...