CEN/TC 155
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 5919 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 3: Fittings | Izstrādē |
| 5921 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 5: Fitness for purpose of the system | Izstrādē |
| 5920 | - | Plastics piping systems for water supply - Polypropylene (PP) - Part 4: Valves and auxiliary equipment | Izstrādē |
| 5991 | - | Plastics piping systems for chemical fluids - Glass-reinforced thermosetting plastics based on epoxy resin (GRP-EP) - Part 4: Valves and auxiliary equipment | Izstrādē |
| 5984 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Above and below ground systems assembled from standard components - Part 3: Fittings | Izstrādē |
| 5983 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Above and below ground systems assembled from standard components - Part 2: Pipes with flexible or rigid joints | Izstrādē |
| 5982 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Above and below ground systems assembled from standard components - Part 1: General | Izstrādē |
| 5970 | - | Plastics piping systems for irrigation - Polyethylene (PE) - Part 1: General | Izstrādē |
| 5972 | - | Plastics piping systems for irrigation - Polyethylene (PE) - Part 3: Fittings | Izstrādē |
| 5985 | - | Plastics piping systems for industrial applications - Glass-reinforced thermosetting plastics (GRP) based on unsaturated polyester resin (UP) - Above and below ground systems assembled from standard components - Part 4: Valves and ancillary equipment | Izstrādē |
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