ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 40711 | ISO/NP 22621-5 | Plastics piping systems for the supply of gaseous fuels for maximum operating up to and including 2 MPa (20 bar) — Polyamide (PA) — Part 5: Fitness for purpose of the system | Izstrādē |
| 33355 | ISO/DIS 18225 | Plastic piping systems — Multilayer pipe systems for outdoor gas installations — Specifications for systems | Izstrādē |
| 59179 | ISO/CD 17135-5 | Plastics piping systems for the supply of gaseous fuels - Plasiticized Polyamide (PA-P) piping systems for the supply of gaseous fuels - Piping systems with fusion jointing and mechanical jointing — Part 5: Fitness for purpose of the system | Izstrādē |
| 59178 | ISO/CD 17135-3 | Plastics piping systems for the supply of gaseous fuels - Plasiticized Polyamide (PA-P) piping systems for the supply of gaseous fuels - Piping systems with fusion jointing and mechanical jointing — Part 3: Fittings | Izstrādē |
| 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 |
| 34467 | ISO/WD 21307 | Butt fusion procedures for polyethylene (PE) pipes and fittings used in the construction of gas distribution systems | Izstrādē |
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