Size:1/2" to 72" Thickness:sch5s-sch160,XS,XXS Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS DIN2631 WELDINGNECK FLANGE Types of flangeWeld neck flange, slip on flange, plate flange, blind flange, socket weld flange, threaded flange, lap joint flange, ring joint flangeSize1/2”to 72”Pressure Rating150, 300, 600, 900, 1500, 2500 ClassStandardANSI B16.5, ASME B16.47A/B, DIN/UNI/BS/ ...