Draft
International Standard
ISO/DIS 4433-1
Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 1: Test method
Reference number
ISO/DIS 4433-1
Edition 2
© ISO 2026
Draft International Standard
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Under development
This Draft International Standard is in the enquiry phase with ISO members.
Will replace ISO 4433-1:1997

ISO/DIS 4433-1

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Abstract

This part of ISO 4433 specifies a method for carrying out a preliminary evaluation of the behaviour of thermoplastics pipes, fittings, sheets and valve components in relation to the chemicals transported.

This method provides information on the suitability of pipes, fittings, sheets and valve components for transporting chemicals in the absence of pressure or stresses such as earth loads, dynamic stresses and internal stresses.

NOTE     An additional indication about test method to evaluate the compatibility of plastic materials against liquids, gases, their mixtures or multiphase fluids is reported in ISO 23936-1.

A full procedure for carrying out the test is also reported in ISO 175, which is devoted to plastics in general, and not specifically to thermoplastics pipes, fittings, sheets and valve components.

Fatigue resistance, permeability, resistance to rapid gas decompression are not taken into account in this document.

General information

  • Status
     : Under development
    Stage
    : Close of voting [40.60]
  • Edition
     : 2
    Number of pages
     : 15
  • Technical Committee :
    ISO/TC 138/SC 3
    ICS :
    23.040.20 
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Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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