Pipelines

ISO/DIS 19251-1 - Thermoplastic pipes for the conveyance of fluid — Hydroaxial tension (HAT) method — Part 1: Determination of the longitudinal tensile strength of pipe or pipe/pipe or pipe/fitting assemblies
Categories: Pipelines
Committee: ISO/TC 138/SC 5 (General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications)
Origin: ISO
Close date: 14 Apr 2026
Draft Details
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ISO/DIS 19251-2 - Thermoplastic pipes for the conveyance of fluid — Hydroaxial tension (HAT) method — Part 2: Determination of the resistance of pipe/pipe or pipe/fitting or fitting/fitting assemblies to longitudinal stress rupture
Categories: Pipelines
Committee: ISO/TC 138/SC 5 (General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications)
Origin: ISO
Close date: 14 Apr 2026
Draft Details
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ISO/DIS 4433-1 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 1: Test method
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
Draft Details
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ISO/DIS 4433-2 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 2: Polyolefin piping components-polybutene (PB), polyethylene (PE), crosslinked polyethylene (PE-X), polypropylene (PP)
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
Draft Details
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ISO/DIS 4433-3 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 3: Unplasticized poly(vinyl chloride) (PVC-U), high-impact poly(vinylchloride) (PVC-HI), modified poly(vinylchloride) (PVC-M), alloy poly(vinylchloride) (PVC-A), oriented poly(vinylchloride) (PVC-O) and chlorinated poly(vinyl chloride) (PVC-C) piping components
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
Draft Details
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ISO/DIS 4433-4 - Thermoplastics piping systems — Preliminary evaluation of the resistance to chemicals — Part 4: Poly(vinylidene fluoride) (PVDF) and Ethylenechlorotrifluoroethylene (ECTFE) piping components
Categories: Pipelines
Committee: ISO/TC 138/SC 3 (Plastics pipes and fittings for industrial applications)
Origin: ISO
Close date: 06 May 2026
Draft Details
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