Résumé
Specifies the general aspects of pipes, joints, fittings and ancillaries, made of unplasticized poly(vinyl chloride) (PVC-U), for piping systems intended to be used for buried water mains and for water supplies above ground, both inside and outside buildings. Replaces ISO 4422:1990.
Cycle de vie
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Précédemment
AnnuléeISO 4422:1990
AnnuléeISO 4422:1990/Amd 1:1992
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Actuellement
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Révisée par
PubliéeISO 1452-1:2009