DIN CEN/TS 1401-2*DIN SPEC 91137:2012-09

This Technical Specification gives guidance for the assessment of conformity of compounds/formulations, products and assemblies in accordance with EN 1401-1:2000. It applies to those compounds/formulations, products and assemblies intended to be included in the manufacturer's quality plan as part of the quality management system and for the establishment of third-party certification procedures. In conjunction with EN 1401-1, this Technical Specification is applicable to piping systems made of unplasticized poly(vinyl chloride) (PVC-U) used for the following puposes: - for non pressure underground drainage and sewerage outside the building structure; - for non-pressure underground drainage and sewerage for both buried in ground within the building structure and outside the building structure.