Flanges with hub and sealing are laid down with all statements required for manufacture marking and their fastening on steel tubes. They are suitable for tube outer diameters of series 1 according to DIN ISO 4200.; The fastening dimensions correspond to the basic standards for flanges for nominal pressure 16.
DIN 86030:1987 history
1987DIN 86030:1987 Hubbed slip-on flanges for welding; nominal pressure 16