This standard specifies requirements for materials used in vulcanized rubber seals for: a) cold potable water supply (up to 45°C); 2) hot potable and non-potable water supply (up to 110°C); 3) drainage, sewerage and rainwater systems (continuous flow up to 45°C and intermittent flow up to 95°C). The different designations of seals specified are defined according to their type, application and requirements.