ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 33355 | ISO/DIS 18225 | Plastic piping systems — Multilayer pipe systems for outdoor gas installations — Specifications for systems | Izstrādē |
| 18877 | ISO/DTR 10839 | Plastics piping systems for the supply of gaseous fuels — Recommended practice for design, handling and installation | Izstrādē |
| 33852 | ISO/DTR 19480 | Thermoplastics pipes and fittings for the supply of gaseous fuels — Training and assessment of fusion-machine operators | 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 |
| 90388 | ISO/FDIS 4437-1 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 1: General | Izstrādē |
| 90389 | ISO/FDIS 4437-2 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 2: Pipes | Izstrādē |
| 90390 | ISO/FDIS 4437-3 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings | Izstrādē |
| 40704 | ISO/NP 15439-4 | Plastics piping systems for the supply of gaseous fuels for maximum operating up to and including 0,4 MPa (4 bar) — Polyamide (PA) — Part 4: Valves | Izstrādē |
| 40705 | ISO/NP 15439-5 | Plastics piping systems for the supply of gaseous fuels for maximum operating up to and including 0,4 MPa (4 bar) — Polyamide (PA) — Part 5: Fitness for purpose of the system | Izstrādē |
| 40706 | ISO/NP 15439-6 | Plastics piping systems for the supply of gaseous fuels for maximum operating up to and including 0,4 MPa (4 bar) — Polyamide (PA) — Part 6: Code of practice | Izstrādē |
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