The complete DIN 11851 fitting is composed by a liner, a nut, a male and a seal ring. The range of DIN fittings proposed by Morsello Inox includes: butt weld fittings, rubber hose adapters, elbows, tees and different reductions in the following sizes: DN 20, 25, 32, 40, 50, 60, 65, 80 and 100.