The Standards Ductile Iron Socket Fittings Systems
BS EN 545 Ductile iron socket fittings, accessories and their joints for sewage water pipelines.
BS EN 598 Ductile iron socket fittings, accessories and their joints for sewerage pipelines.
EN 1092-2 Flanges and their joints – circular flanges for pipes, valves, fittings and accessories, PN designated. Part 2
ISO 8179-2 Ductile iron pipes External zinc coating , Zinc rich paint with finishing layer.
Minimum Wall Thickness
7 millimetres for fittings Tolerance in millimetres a = (2.3 + 0.001DN)
Fittings are generaly internally cement mortar lined. Alternatively, can offer FBE coating. For other options.
Unless otherwise specified by the purchaser, fittings are coated externally with zinc rich paint and covered by a paint finishing layer. Alternatively, Tyco Water can offer FBE coating.