ISO 13259:2020

Current Revision
Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ring type joints

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ISO 13259:2020

Thermoplastics piping systems for underground non-pressure applications - Test method for leaktightness of elastomeric sealing ring type joints

PUBLISH DATE 2020
ISO 13259:2020

This document specifies a test method for determining the leaktightness of elastomeric sealing ring type joints for buried thermoplastics non-pressure piping systems.

Unless otherwise specified in the referring standard, the tests are carried out at the following basic test pressures:

  • p1: internal negative air pressure (partial vacuum);
  • p2: a low internal hydrostatic pressure;
  • p3: a higher internal hydrostatic pressure.

It also describes the following four test conditions under which the tests are performed:

  • Condition A: without any additional diametric or angular deflection;
  • Condition B: with diametric deflection;
  • Condition C: with angular deflection;
  • Condition D: with simultaneous angular and diametric deflection.

The applicable selection of the test pressure(s) and the test condition(s) is/are specified in the referring standard.

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