Abstract
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.
Life cycle
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Previously
WithdrawnISO 4422:1990
WithdrawnISO 4422:1990/Amd 1:1992
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Now
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Revised by
PublishedISO 1452-1:2009