NF EN ISO 2505

NF EN ISO 2505

September 2005
Standard Cancelled

Thermoplastics pipes - Longitudinal reversion - Test method and parameters

ISO 2505:2005 specifies a method for determining the longitudinal reversion of thermoplastics pipes, to be carried out in either a liquid or in air. In case of dispute, heated liquid is used as the reference. ISO 2505:2005 is applicable to all thermoplastics pipes with smooth internal and external walls of constant cross-section. It is not applicable to non-smooth structured-wall thermoplastics pipes.

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Main informations

Collections

National standards and national normative documents

Publication date

September 2005

Number of pages

11 p.

Reference

NF EN ISO 2505

ICS Codes

23.040.20   Plastics pipes

Classification index

T54-021

Print number

1 - 06/09/2005

International kinship

ISO 2505:2005

European kinship

EN ISO 2505:2005
Sumary
Thermoplastics pipes - Longitudinal reversion - Test method and parameters

ISO 2505:2005 specifies a method for determining the longitudinal reversion of thermoplastics pipes, to be carried out in either a liquid or in air. In case of dispute, heated liquid is used as the reference. ISO 2505:2005 is applicable to all thermoplastics pipes with smooth internal and external walls of constant cross-section. It is not applicable to non-smooth structured-wall thermoplastics pipes.

Replaced standards (1)
NF EN 743
June 1994
Standard Cancelled
Plastics piping and ducting systems. Thermoplastics pipes. Determination of the longitudinal reversion.

Le présent document décrit deux méthodes d'essai pour déterminer le retrait longitudinal à chaud des tubes en matières thermoplastiques cylindriques à surfaces lisses.

Standard replaced by (1)
NF EN ISO 2505
October 2023
Standard Current
Thermoplastics pipes - Longitudinal reversion - Test method and parameters

This document specifies a method for determining the longitudinal reversion of thermoplastics pipes, to be carried out in either a liquid or in air. In case of dispute, heated liquid is used as the reference. This document is applicable to all thermoplastics pipes with smooth internal and external walls of constant cross‑section. It is not applicable to non‑smooth structured‑wall thermoplastics pipes. The parameters appropriate to the pipe material and recommendations for the maximum levels of reversion as a function of the pipe material are given in Annex A. This method is applicable for pipes of wall thickness ≤ 16 mm.

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