CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 67930 | EN 12201-4:2024 | Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 4: Valves for water supply systems | Standarts spēkā |
| 6333 | LVS EN 14636-1:2010 | Plastics piping systems for non-pressure drainage and sewerage - Polyester resin concrete (PRC) - Part 1: Pipes and fittings with flexible joints | Standarts spēkā |
| 67910 | EN 12201-1:2024 | Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 1: General | Standarts spēkā |
| 67930 | LVS EN 12201-4:2024 | Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 4: Valves for water supply systems | Standarts spēkā |
| 79759 | prEN ISO 11300-2 | Piping systems for rehabilitation of underground drains, sewers and water supply networks-Part 2: Thermoset composite materials (ISO/DIS 11300-2:2025) | Aptauja slēgta |
| 78188 | prEN ISO 15494 | Plastics piping systems for industrial applications - Polybutene (PB), polyethylene (PE), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP) - Metric series for specifications for components and the system (ISO/DIS 15494:2025) | Aptauja slēgta |
| 78475 | prEN ISO 11301-1 | Piping systems for rehabilitation of underground gas supply networks - Part 1: Polyethylene (PE) material (ISO/DIS 11301‑1:2025) | Aptauja slēgta |
| 80261 | prEN ISO 11300-4 | Piping systems for rehabilitation of underground drains, sewers and water supply networks - Part 4: Thermoplastic composite materials (ISO/DIS 11300‑4:2025) | Aptauja |
| 80765 | prEN 13598-1 | Plastics piping systems for non-pressure underground drains and sewers - Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: Specifications for ancillary fittings and shallow chambers | Aptauja |
| 80766 | prEN 13598-2 | Plastics piping systems for non-pressure underground drains and sewers - Unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 2: Specifications for manholes and inspection chambers | Aptauja |
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