... -DN600Special specification can be made according to the drawings pure titanium flange1> Material : Ti Gr1, Gr2, Gr5 , Gr 7 ... nominal diameter: DIN5-DIN10005> Certification: ISO9001:2000JIS,DIN titanium flange,titanium valve,titanium pipe fitting,WN FLANGE,SO FLANGE, SW FLAGE, BL ... 3654505538018Gr 4805507048315Gr 513089512082810Gr 7503454027520Gr 9906207043815Gr 12704385034518 pure titanium flange