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ISO 3603:1977 Fittings for unplasticized polyvinyl chloride (PVC) pressure pipes with elastic sealing ring type joints -- Pressure test for leakproofness
standard by International Organization for Standardization, 04/01/1977
Exposure of a specimen, consisting of a pipe and fittings assembly having at least one joint of this type, to a specified internal pressure at a specified temperature. Specification of the minimum requirements of the tested joint.
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