This European Standard specifies requirements for vitrified clay pipes, fittings and flexible joints 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 and polypropylene materials and other components used for joints. This standard specifies different strength classes, systems of joint dimensions, lengths and fittings. NOTE The specifiers/purchasers can select them according to their requirements. Requirements for special fittings, adaptors and compatible accessories, perforated pipes and fittings, manholes and inspection chambers, and pipes and joints for pipe jacking are specified in other parts of the standard series EN 295.