CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 6093 | EN 1228:1996 | Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of initial specific ring stiffness | Izstrādē |
| 6087 | EN 1227:1997 | Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of the long-term ultimate relative ring deflection under wet conditions | Atcelts |
| 6086 | EN 1226:1996 | Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Test method to prove the resistance to initial ring deflection | Atcelts |
| 6200 | EN 12256:1998 | Plastics piping systems - Thermoplastics fittings - Test method for mechanical strength or flexibility of fabricated fittings | Atcelts |
| 6085 | EN 1225:1996 | Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes - Determination of the creep factor under wet conditions and calculation of the long-term specific ring stiffness | Atcelts |
| 67931 | EN 12201-5:2024 | Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 5: Fitness for purpose of the system | Standarts spēkā |
| 33037 | EN 12201-5:2011 | Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 5: Fitness for purpose of the system | Atcelts |
| 5915 | EN 12201-5:2003 | Plastics piping systems for water supply - Polyethylene (PE) - Part 5: Fitness for purpose of the system | Atcelts |
| 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 |
| 33036 | EN 12201-4:2012 | Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 4: Valves | Atcelts |
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