... (Various kinds of pipe fittings) Sizes range: The norminal diameters are: DN15, 20, 25, 32, 40, 50, 65, 80 and ... series is same size as DVGW W534:1995, out diameters are: 18, 22, 28, 35, 42, 54, 76.1, ... is same size as JIS G 3448-1997, out diameters are: 15.88, 22.22, 28.58, 34.00, ... NEVER use it for human consumption or animal consumption. Where do you want to use the press fit pipeline system? Which ...