Plastics piping systems for non-pressure underground drainage and sewerage — Structured-wall piping ...
This document, together with ISO 21138‑2 and ISO 21138‑3, specifies the definitions and requirements for pipes, fittings and systems based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems intended to be used in non-pressure underground drainage and sewerage applications.
NOTE 1 Pipes, fittings and the system complying with…
Plastics piping systems for non-pressure underground drainage and sewerage — Structured-wall piping ...
This document, together with ISO 21138-1, specifies the definitions and requirements for pipes with smooth external and internal surfaces (Type A), fittings and systems based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems intended to be used in non-pressure underground drainage and sewerage applications.
NOTE 1 Pipes,…
Plastics piping systems for non-pressure underground drainage and sewerage — Structured-wall piping ...
This document, together with ISO 21138‑1, specifies the definitions and requirements for pipes with a non-smooth external surface and a smooth internal surface (Type B), fittings and systems based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems intended to be used in non-pressure underground drainage and sewerage applications…
