ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 95006 | ISO/CD 17885 | Plastics piping systems — Mechanical fittings for pressure piping systems — Specifications | Izstrādē |
| 91549 | ISO/PWI TS 18226 | Plastics pipes and fittings — Reinforced thermoplastics pipe systems for the supply of gaseous fuels for pressures up to 4 MPa (40 bar) | Izstrādē |
| 90447 | ISO/FDIS 12176-6 | Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 6: Electrofusion Control Unit (ECU) function testing | Izstrādē |
| 90390 | ISO 4437-3 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings | Izstrādē |
| 90389 | ISO 4437-2 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 2: Pipes | Izstrādē |
| 90388 | ISO/FDIS 4437-1 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 1: General | Izstrādē |
| 90059 | ISO/CD TS 4437-7 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 7: Assessment of Conformity | Izstrādē |
| 87504 | ISO 16486-3:2025 | Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 3: Fittings | Standarts spēkā |
| 87503 | ISO 16486-2:2024 | Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 2: Pipes | Standarts spēkā |
| 85939 | ISO 12176-2:2025 | Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 2: Electrofusion | Standarts spēkā |
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