CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 78699 | prEN 1451-1 rev | Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polypropylene (PP) - Part 1: Specifications for pipes, fittings and the system | Izstrādē |
| 23093 | prEN 1447 rev | Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of long-term resistance to internal pressure | Izstrādē |
| 6275 | prEN 14409-6 | Plastics piping systems for renovation of underground water supply networks - Part 6: Lining with inserted hoses | Izstrādē |
| 6274 | prEN 14409-4 | Plastics piping systems for renovation of underground water supply networks - Part 4: Lining with cured-in-place pipes | Izstrādē |
| 6272 | prEN 14409-2 | Plastics piping systems for renovation of underground water supply networks - Part 2: Lining with continuous pipes | Izstrādē |
| 6279 | prEN 14408-4 | Plastics piping systems for renovation of underground gas supply networks - Part 4: Lining with cured-in-place pipes | Izstrādē |
| 6277 | prEN 14408-2 | Plastics piping systems for renovation of underground gas supply networks - Part 2: Lining with continuous pipes | Izstrādē |
| 62927 | prEN 14364 rev | Plastics piping systems for drainage and sewerage with or without pressure - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Specifications for pipes, fittings and joints | Izstrādē |
| 6350 | prEN 14285 | Plastics piping systems for general purpose buried ducting - Polypropylene (PP) - Specifications for pipes, fittings and the system | Izstrādē |
| 6349 | prEN 14284 | Plastics piping systems for general purpose buried ducting - Polyethylene (PE) - Specifications for pipes, fittings and the system | Izstrādē |
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