Vitrified clay pipe systems for drains and sewers - Requirements for perforated pipes and fittings Ingestion-build-95349 Carbon black is a material

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Vitrified clay pipe systems for drains and sewers - Requirements for perforated pipes and fittings Ingestion-build-95349 Carbon black is a material1 Scope This European Standard specifies requirements for perforated pipes and compatible fittings made from vitrified clay with or without sockets for use in land drains and drainage of waste tips. They are also used for percolation into the ground. This standard specifies different strength classes and areas of perforations. NOTE 1 The specifiers purchasers can select them according to their requirements. NOTE 2 Corresponding provisions for the