... :1/2"-80" 2.Material:stainless steel 3.Standard:ANSI,ASTM,JIS,DIN 4.Certificate:ISO9001 CE API ASTM A 234 WPB ... 150 PSI FLANGE 6" DIAMETER Flangesize 1/2" to 24" ASME B16.524"to 80" ASME B16 ... , papermaking, construction, etcProducts show Products package FLANGE INSPECTION ASTM A 234 WPB. 150 PSI FLANGE 6" DIAMETER