CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 63855 | EN ISO 19892:2018 | Plastics piping systems - Thermoplastics pipes and fittings for hot and cold water - Test method for the resistance of joints to pressure cycling (ISO 19892:2011) | Izstrādē |
| 78164 | EN ISO 18984:2025 | Ball valves for thermoplastics piping systems for hot and cold water installations under pressure - Types, dimensions and requirements (ISO 18984:2025) | Standarts spēkā |
| 40965 | EN ISO 17778:2015 | Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships (ISO 17778:2015) | Standarts spēkā |
| 20879 | EN ISO 16871:2003 | Plastics piping and ducting systems - Plastics pipes and fittings - Method for exposure to direct (natural) weathering (ISO 16871:2003) | Izstrādē |
| 71454 | EN ISO 16486-5:2021 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 5: Fitness for purpose of the system (ISO 16486-5:2021) | Izstrādē |
| 82580 | EN ISO 16486-4:2025/A11:2025 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: Valves | Standarts spēkā |
| 78612 | EN ISO 16486-4:2025 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: Valves (ISO 16486-4:2025) | Standarts spēkā |
| 70846 | EN ISO 16486-4:2022 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: Valves (ISO 16486-4:2022) | Atcelts |
| 82172 | EN ISO 16486-3:2025/A11:2025 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 3: Fittings | Standarts spēkā |
| 78881 | EN ISO 16486-3:2025 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 3: Fittings (ISO 16486-3:2025) | Standarts spēkā |
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