... : Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12 2.Standard:ASME B16.5,ANSI B16.5,DIN2630~2636 3.Flange surface: FF,FG ... etc. 1.Titanium flange Item nameTitanium flange ASME/ANSI B16.5,DIN2630~2633,BS etcMaterialGr1,Gr2,Gr5,Gr7,Gr9 ... ,Gr12Size1/2''~80''(DN10~600)Pressure rating0.6~32Mp ... other client needs. Standard Gr2 titanium flange ASME B16.5 for machine equipments