... , 900Lbs, 1500Lbs, 2500Lbs, /PN6,PN10,PN16,PN20,PN25,PN40/ Class A, B, C, D, EstandardASME B16.5, ASME B16.47, ASME B16 ... type; Plate Flanges; Blind FlangesPressure Class5K10K16K20K30KSIZE:10A-1500A4.BS FLANGESStandard: BS 4504 SEC 3.1 :Standard: BS 10 : Welding neck Flanges ... /2" TO 48"6.UNI FLANGESTYPES: (PLSOWNBLTH) FLANGESPressure ClassPN0.25-250MAPSIZE: 1/2" TO 48"7.GOST FLANGESTYPES:Plate Flanges ...