CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 31030 | EN ISO 22391-3:2009 | Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 3: Fittings (ISO 22391-3:2009) | Izstrādē |
| 70909 | EN ISO 22391-2:2009/A1:2020 | Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 2: Pipes - Amendment 1 (ISO 22391-2:2009/Amd 1:2020) | Izstrādē |
| 31029 | EN ISO 22391-2:2009 | Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 2: Pipes (ISO 22391-2:2009) | Izstrādē |
| 31028 | EN ISO 22391-1:2009 | Plastics piping systems for hot and cold water installations - Polyethylene of raised temperature resistance (PE-RT) - Part 1: General (ISO 22391-1:2009) | Izstrādē |
| 65076 | EN ISO 21225-2:2018 | Plastics piping systems for the trenchless replacement of underground pipeline networks - Part 2: Replacement off the line by horizontal directional drilling and impact moling (ISO 21225-2:2018) | Standarts spēkā |
| 65075 | EN ISO 21225-1:2018 | Plastics piping systems for the trenchless replacement of underground pipeline networks - Part 1: Replacement on the line by pipe bursting and pipe extraction (ISO 21225-1:2018) | Standarts spēkā |
| 25963 | EN ISO 21003-5:2008 | Multilayer piping systems for hot and cold water installations inside buildings - Part 5: Fitness for purpose of the system (ISO 21003-5:2008) | Izstrādē |
| 71820 | EN ISO 21003-3:2008/A1:2021 | Multilayer piping systems for hot and cold water installations inside buildings - Part 3: Fittings - Amendment 1 (ISO 21003-3:2008/Amd 1:2021) | Izstrādē |
| 25960 | EN ISO 21003-3:2008 | Multilayer piping systems for hot and cold water installations inside buildings - Part 3: Fittings (ISO 21003-3:2008) | Izstrādē |
| 34601 | EN ISO 21003-2:2008/A1:2011 | Multilayer piping systems for hot and cold water installations inside buildings - Part 2: Pipes - Amendment 1 (ISO 21003-2:2008/Amd 1:2011) | Izstrādē |
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