ISO 7671:2003

Name: ISO 7671:2003 — Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings — Polypropylene (PP)
SKU: ISO 7671:2003
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Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings — Polypropylene (PP)

Название (английский):

ISO 7671:2003

Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings — Polypropylene (PP)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 25
Дата публикации:: 19 ноября 2003 г.
Издание:: ISO IS 7671 edition 2 version 1
ICS:: 23.040.20

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Описание (английский):

ISO 7671:2003 specifies the requirements for solid-wall polypropylene (PP) pipes and fittings for soil and waste discharge (low and high temperature) inside buildings, as well as the system itself. It does not include buried pipework. It is applicable to pipes and fittings for jointing by means of elastomeric sealing rings or by butt fusion.

Abstract

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Overview

ISO 7671:2003 - Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Polypropylene (PP) specifies requirements and test parameters for solid‑wall polypropylene (PP) pipes and fittings used for soil, waste and indoor rainwater discharge and associated ventilation inside buildings. The standard covers system characteristics, material properties, geometrical and mechanical characteristics, jointing methods and installation guidance. Buried pipework is excluded.

Key topics and technical requirements

Scope of use: Domestic waste water (low and high temperature), associated ventilation, and rainwater inside buildings.

Materials: PP homopolymer and/or copolymer compounds; permitted additives for manufacture and fire/regulatory compliance. Use of internal reprocessable material from production/testing is allowed; external recycled material is not.

Melt mass‑flow rate (MFR): MFR is specified per ISO 1133 (230 °C, 2.16 kg). Materials for mechanical joints and for butt fusion are classified by MFR classes (Class A–D). Only same or adjacent MFR classes may be fused.

Thermal stability: Oxidation induction time (OIT), measured in accordance with EN 728 at 200 °C, shall be not less than 8 minutes for materials intended for butt fusion.

Jointing methods: Approved jointing by elastomeric sealing rings (mechanical ring seals) or by butt fusion. Sealing ring retention may use non‑PP plastics if joints meet performance requirements.

Geometrical and dimensional requirements: Specifies mean outside diameters, wall thickness ranges (metric series and inch‑based series), socket and spigot dimensions, chamfering, effective pipe lengths and permitted tolerances. Example sizes cover common DN/OD ranges (e.g., 32–200 mm in the metric series).

Performance & testing: Defines test parameters and referenced test methods for mechanical, physical and performance requirements (e.g., resistance to elevated temperature cycling, watertightness, airtightness, impact resistance).

Appearance & marking: Surface finish, uniform colouring (recommended grey/black/white), cleanly cut ends and manufacturer marking requirements are specified.

Installation: Includes general installation guidance for piping systems inside buildings (not for buried installations).

Applications and practical value

ISO 7671:2003 is used to ensure safe, reliable, and compatible PP piping systems for:

Internal soil and waste drainage in residential, commercial and institutional buildings

Ventilation stacks and branch ventilation associated with drainage systems

Internal rainwater downpipes and discharge systems
The standard supports product specification, quality control, testing and installation practices for manufacturers, specifiers, plumbing engineers, installers and conformity assessment bodies.

ISO 7671:2003

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and practical value

Who uses this standard

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