... flange,LJ flange,SW flange and Threaded flangeSize1/2'' ~240 (DN15~DN600)Pressure class150-2500lbsMaterialcarbon steel, A694 F42, F46, F48, F50 ... B1503 FLANGES: 5K, 10K, 16K, 20K, 30K Flanges. Normal Size: DN15--DN2000mm ( 1/2"-48") We are willing to cooperate with ...