CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 6304 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on various types of resins - Above and below ground assembled from custom made components - Part 2: Pipes with flexible or rigid joints | Izstrādē |
| 81829 | prEN ISO 1167-2 rev | Thermoplastics pipes, fittings and assemblies for the conveyance of fluids — Determination of the resistance to internal pressure — Part 2: Preparation of pipe test pieces | Izstrādē |
| 81897 | prEN ISO 15874-1 rev | Plastics piping systems for hot and cold water installations — Polypropylene (PP) — Part 1: General | Izstrādē |
| 6323 | - | Plastics piping systems for non-pressure drainage and sewerage - Polymer concrete based on unsaturated polyester resin (UP) - Part 4: Ancillary equipment | Izstrādē |
| 6283 | - | Plastics piping systems for renovation of underground drainage and sewerage networks under pressure - Part 4: Lining with cured-in pipes | Izstrādē |
| 6330 | - | Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of the long-term specific ring creep stiffness under wet conditions and calculation of the wet creep factor (ISO/DIS 10468:1999) | Izstrādē |
| 6322 | - | Plastics piping systems for non-pressure drainage and sewerage - Polymer concrete based on unsaturated polyester resin (UP) - Part 3: Fittings | Izstrādē |
| 6321 | - | Plastics piping systems for non-pressure drainage and sewerage - Polymer concrete based on unsaturated polyester resin (UP) - Part 2: Pipes with flexible, reduced articulation or rigid joints | Izstrādē |
| 72158 | EN 14758-1:2023 | Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene with mineral modifiers (PP-MD) - Part 1: Specifications for pipes, fittings and the system | Izstrādē |
| 31028 | EN ISO 22391-1:2009 | Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 1: General (ISO 22391-1:2009) | Izstrādē |
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