40.20 DIS ballot initiated: 12 weeks May 15, 1991
CEN/TC 230 Water analysis
This European standard applies to ductile iron couplings and flange adaptors intended for use with pipe component made from a large number of pipe materials (metallic and non metallic), providing a leaktight seal over a wide range of pipe external diameters.
40.20 DIS ballot initiated: 12 weeks
May 15, 1991