CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 77954 | EN 1555-4:2025 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Izstrādē |
| 76207 | FprEN ISO 15875-3 | Plastics piping systems for hot and cold water installations - Crosslinked polyethylene (PE-X) - Part 3: Fittings (ISO/FDIS 15875-3:2025) | Izstrādē |
| 72401 | prEN ISO 22102 | Polyethylene (PE) materials for piping systems — Determination of the resistance to point loads — Test method | Izstrādē |
| 6251 | - | Plastics piping systems for agricultural land drainage - Polyolefine systems - Part 2: Pipes | Izstrādē |
| 36517 | CEN/TS 1453-2:2017 | Plastics piping systems with structured wall pipes for soil and waste discharge (low and high temperature) inside buildings - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Guidance for the assessment of conformity | Izstrādē |
| 6273 | - | Plastics piping systems for renovation of underground water supply networks - Part 3: Lining with close-fit pipes | Izstrādē |
| 67498 | CEN/TS 1852-2:2019 | Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Part 2: Guidance for the assessment of conformity | Izstrādē |
| 69645 | EN ISO 15494:2018/A1:2020 | 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 - Amendment 1 (ISO 15494:2015/Amd 1:2020) | Izstrādē |
| 6276 | - | Plastics piping systems for renovation of underground gas supply networks - Part 1: General | Izstrādē |
| 6282 | - | Plastics piping systems for renovation of underground drainage and sewerage networks under pressure - Part 3: Lining with close-fit pipes | Izstrādē |
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