CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 31483 | LVS EN 1555-2:2011 A | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes | Atcelts |
| 39106 | LVS EN 1555-3+A1:2013 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 6299 | - | Plastics piping systems for industrial applications - Glass-reinfored thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Below ground assembled from standard components - Part 4: Ancillary equipment | Izstrādē |
| 25954 | EN ISO 21003-1:2008 | Multilayer piping systems for hot and cold water installations inside buildings - Part 1: General (ISO 21003-1:2008) | Izstrādē |
| 25907 | prEN 15383 | Plastics piping systems for drainage and sewerage - Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) - Manholes and inspection chambers | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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