ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 33356 | ISO/DTS 18226 | Plastics pipes and fittings — Reinforced thermoplastics pipe systems for the supply of gaseous fuels for pressures up to 40 bar | Izstrādē |
| 33852 | ISO/DTR 19480 | Thermoplastics pipes and fittings for the supply of gaseous fuels — Training and assessment of fusion-machine operators | Izstrādē |
| 18877 | ISO/DTR 10839 | Plastics piping systems for the supply of gaseous fuels — Recommended practice for design, handling and installation | Izstrādē |
| 90390 | ISO/DIS 4437-3 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings | Aptauja |
| 90389 | ISO/DIS 4437-2 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 2: Pipes | Aptauja |
| 90388 | ISO/DIS 4437-1 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 1: General | Aptauja |
| 33355 | ISO/DIS 18225 | Plastic piping systems — Multilayer pipe systems for outdoor gas installations — Specifications for systems | Izstrādē |
| 31585 | ISO/DIS 14531-2 | Plastics pipes and fittings — Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels — Metric series — Specifications — Part 2: Fittings for heat-fusion jointing | Izstrādē |
| 90447 | ISO/DIS 12176-6 | Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 6: Electrofusion Control Unit (ECU) function testing | Aptauja |
| 90059 | ISO/CD TS 4437-7 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 7: Assessment of Conformity | Izstrādē |
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