CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62512 | EN 1555-4:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Izstrādē |
| 31486 | EN 1555-4:2011 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Atcelts |
| 5997 | EN 1555-4:2002 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 4: Valves | Atcelts |
| 62506 | EN 1555-3:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Izstrādē |
| 38159 | EN 1555-3:2010/FprA1 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Izstrādē |
| 39106 | EN 1555-3:2010+A1:2012 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 31484 | EN 1555-3:2010 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 24015 | EN 1555-3:2002/A1:2005 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 5996 | EN 1555-3:2002 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings | Atcelts |
| 62507 | EN 1555-2:2021 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes | Izstrādē |
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