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Plastics piping systems for non-pressure underground drainage and sewerage — Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) — Part 2: Pipes and fittings with smooth external surface, Type A
ISO 21138-2:2007 specifically refers to PVC, PP and PE materials
ISO 21138-2:2007 specifies test methods and test parameters.
ISO 21138-2:2007 covers a range of pipe and fitting sizes, materials, pipe constructions, and nominal ring stiffnesses, and gives recommendations concerning colours.
In conjunction with ISO 21138-1, it is applicable to PVC-U, PP and PE structured-wall pipes and fittings, to their joints and to joints with components of other plastics and non-plastics materials intended to be used for buried piping systems for the transport of drainage and sewage.
ISO 21138-2:2007 is applicable to PVC-U, PP and PE structured-wall pipes and fittings with or without an integral socket with elastomeric ring seal joints as well as welded and fused joints.
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