... .28, MSS SP75 DIN: DIN2605/2615JIS: JIS B2313 EN: EN10253-1/2, EN10253-2 (3) Material: Carbon steel flanges ASTM A105, ASTM A350 ... Male-Female, Large Tongue & Groove, Small Tongue & Groove(5) Size: 1/2" To 160"(6) Wall Thickness/Pressure Reating: Sch10 , Sch20 , Sch30 ... , 1500, 2000, 3000, 6000, 9000 LBS(7) Usage: it is used in petroleum/ chemical industry/power/ship building/paper making/metallurgy ...