... B16.36,ANSI/AWWA C207PRESSURE GRADE:Class150,Class300,Class600,Class900,Class1500, ... DIN 2573, DIN 2576,DIN 2501,DIN 86030PRESSURE GRADE:6Bar, 10Bar, 16Bar, 25Bar, 40BarMATERIAL: ... ST37-2 3. EN1092-1 FlangesPRESSURE GRADE:PN2.5,PN6,PN10,PN16,PN25,PN40 ... . BS FlangesSTANDARD: BS 4504, BS3293PRESSURE GRADE:PN2.5,PN6,PN10,PN16,PN25,PN40 ... Flanges STANDARD: ISO 7005-1PRESSURE GRADE:PN2.5,PN6,PN10,PN16, ...