1. Standard:ANSI/ASME B16.5,DIN2630~2633 2. Material:Gr1,Gr2,Gr5,Gr7,Gr9,Gr12 3. Professional Tech ... Support Gr2 Titanium reducing flange ANSI B16.5 for pressure vessel 1 ... . Material:Gr1,Gr2,Gr5,Gr7,Gr9,Gr12 2.Size:1/2''~80''(DN10~600) 3.Pressure rating: 0.6 ...