CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 6093 | EN 1228:1996 | Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of initial specific ring stiffness | Izstrādē |
| 5920 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 4: Valves and auxiliary equipment | Izstrādē |
| 5919 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 3: Fittings | Izstrādē |
| 5918 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 2: Pipes without or with (integral) socket | Izstrādē |
| 62512 | EN 1555-4:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Izstrādē |
| 62517 | EN 1555-1:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General | Izstrādē |
| 6317 | EN 14741:2006 | Thermoplastics piping and ducting systems - Joints for buried non-pressure applications - Test method for the long-term sealing performance of joints with elastomeric seals by estimating the sealing pressure | Izstrādē |
| 38193 | EN 12201-3:2011/FprA1 | Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 3: Fittings | Izstrādē |
| 41571 | - | Plastics Piping Systems — Environmental product declarations — Product Category Rules (PCR) for non-pressure plastics piping systems inside building | Izstrādē |
| 41569 | - | Plastics Piping Systems - Environmental Product Declarations - Product Category Rules (PCR) for buried non-pressure plastics piping systems | Izstrādē |
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