Thermoplastics piping systems for underground non-pressure applications. Test method for leaktightness of elastomeric sealing ring type joints Ingestion-build-135476 preferred climatic categories

preferred climatic categories

leading to results which have a grade 2 accuracy

This standard is not applicable to electrical apparatus for use in mines susceptible to firedamp

In aircraft

unmounted oculars covering one eye

Thermoplastics piping systems for underground non-pressure applications. Test method for leaktightness of elastomeric sealing ring type joints Ingestion-build-135476 preferred climatic categoriesWhat is ISO 13259 about? ISO 13259 specifies a test method for determining the leak tightness of elastomeric sealing ring type joints for buried thermoplastics non pressure piping systems. ISO 13259 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