1.Material: Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12 2.Standard:ASME B16.5, ... ,DIN2630~2636 3.Flange surface: FF,FG,RJ 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 ... .300.25///0.2~0.40.6~0.9bal Standard Gr2 Titanium flange ASTM B381 for pressure vessel