DS DS/EN ISO 13844
DS DSEN SO 13844 2000-AUG-15 Plastcs ppng systems - Elastomerc-sealng-rng-type socket jonts of unplastczed polyvnyl chlorde PVC-U for use wth PVC-U ppes - Test method for leaktghtness under negatve pressure
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This standard specifies a method for testing the leaktightness of: - single sockets of unplasticized poly(vinyl chloride) pipes (PVC-U); - double sockets of PVC-U; - sockets of PVC-U fittings, with elastomeric sealing rings. It is applicable to elastomeric-sealing-ring-type socket joints conforming to EN 1452-2 or ISO 4422-2, intended for use with PVC-U pressure pipes.