This European Standard specifies requirements for adaptors and connectors made from vitrified clay and/or other suitable materials and metal banded flexible couplings and adaptors for use with vitrified clay pipes and fittings for the construction of buried drain and sewer systems for the conveyance of wastewater (including domestic wastewater, surface water and rainwater) under gravity and periodic hydraulic surcharge or under continuous low head of pressure. This standard also specifies requirements for rubber, polyurethane, stainless steel and other components used for joints. NOTE The specifiers/purchasers can select adaptors, connectors and flexible couplings according to their requirements.