... 2) Flanges Standards: ANSI Flanges, BS flanges, DIN flanges, EN1092-1 Flanges(3) Material: Carbon steel flanges ASTM A105, ASTM A350 ... Male-Female, Large Tongue & Groove, Small Tongue & Groove(5) Size: 1''-48''(6) Wall Thickness/Pressure Reating: Sch10 , Sch20 , Sch30 , Sch STD ... , Sch60 , Sch XS , Sch80, Sch100,Sch120, Sch140 Sch160 , Sch XXS, Class 150, 300, 600, 900, 1500, 2000, 3000, 6000, 9000 LBS ...