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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

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Kehtiv alates 16.07.2020
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Staatus
Kuupäev
Tüüp
Nimetus
16.07.2020
Põhitekst
13.04.2018
Põhitekst
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:
a)   Condition A: without any additional diametric or angular deflection;
b)   Condition B: with diametric deflection;
c)   Condition C: with angular deflection;
d)   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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