EVS-EN 14525:2005

This European Standard specifies the requirements and associated test methods applicable to wide tolerance ductile iron couplings and wide tolerance flange adaptors intended for use with pipe components made from a number of pipe materials (ductile iron, grey iron, PE, PVC-U, steel, fibre-cement), for providing a leak tight seal over a wide range of pipe external diameters :- to convey water (e.g. potable water) ; - with or without pressure ; - to be installed below or above ground, inside or outside buildings.