CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81898 | prEN ISO 15874-2 rev | Plastics piping systems for hot and cold water installations — Polypropylene (PP) — Part 2: Pipes | Izstrādē |
| 81897 | prEN ISO 15874-1 rev | Plastics piping systems for hot and cold water installations — Polypropylene (PP) — Part 1: General | Izstrādē |
| 78188 | prEN ISO 15494 | Plastics piping systems for industrial applications - Polybutene (PB), polyethylene (PE), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP) - Metric series for specifications for components and the system (ISO/DIS 15494:2026) | Izstrādē |
| 83461 | prEN ISO 1452-5 rev | Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) — Part 5: Fitness for purpose of the system | Izstrādē |
| 83460 | prEN ISO 1452-4 rev | Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) — Part 4: Valves | Izstrādē |
| 83462 | prEN ISO 1452-3 rev | Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) — Part 3: Fittings | Izstrādē |
| 83459 | prEN ISO 1452-2 rev | Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) — Part 2: Pipes | Izstrādē |
| 83458 | prEN ISO 1452-1 rev | Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) — Part 1: General | Izstrādē |
| 20865 | prEN ISO 13968 | Plastics piping and ducting systems - Thermoplastics pipes - Determination of ring flexibility (ISO/FDIS 13968:2008) | Izstrādē |
| 80872 | prEN ISO 13760 | Plastics pipes for the conveyance of fluids under pressure - Miner's rule - Calculation method for cumulative damage (ISO/DIS 13760:2026) | Aptauja slēgta |
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