CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 78731 | LVS EN 1705:2025 | Plastics piping systems - Thermoplastics valves - Test method for the integrity of a valve after an external blow | Standarts spēkā |
| 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 |
| 78698 | prCEN/TS 1451-2 rev | Plastic piping systems for soil and waste discharge (low and high temperature) within the building structure - Polypropylene (PP) - Part 2: Assessment of conformity | Izstrādē |
| 78612 | LVS 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 |
| 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 |
| 78475 | FprEN ISO 11301-1 | Piping systems for rehabilitation of underground gas supply networks - Part 1: Polyethylene (PE) material (ISO/FDIS 11301‑1:2026) | Izstrādē |
| 78426 | EN ISO 16486-2:2024 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 2: Pipes (ISO 16486‑2:2024) | Standarts spēkā |
| 78426 | LVS EN ISO 16486-2:2024 | Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 2: Pipes (ISO 16486‑2:2024) | Standarts spēkā |
| 78379 | EN ISO 7510:2024 | Plastics piping systems - Glass-reinforced plastics (GRP) components - Determination of the amounts of constituents (ISO 7510:2017) | Standarts spēkā |
| 78379 | LVS EN ISO 7510:2024 | Plastics piping systems - Glass-reinforced plastics (GRP) components - Determination of the amounts of constituents (ISO 7510:2017) | Standarts spēkā |
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