ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 27201 | ISO 12176-3:2001 | Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 3: Operator's badge | Atcelts |
| 30092 | ISO 6993:2001 | Buried, high-impact poly(vinyl chloride) (PVC-HI) pipes for the supply of gaseous fuels — Specifications | Atcelts |
| 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 |
| 31586 | ISO 12176-4:2003 | Plastics pipes and fittings — Equipment for fusion jointing polyethylene systems — Part 4: Traceability coding | Standarts spēkā |
| 32238 | ISO 10838-3:2001 | Mechanical fittings for polyethylene piping systems for the supply of gaseous fuels — Part 3: Thermoplastics fittings for pipes of nominal outside diameter less than or equal to 63 mm | Atcelts |
| 32239 | ISO/TS 10839:2000 | Polyethylene pipes and fittings for the supply of gaseous fuels — Code of practice for design, handling and installation | Atcelts |
| 33091 | ISO 17484-1:2006 | Plastics piping systems — Multilayer pipe systems for indoor gas installations with a maximum operating pressure up to and including 5 bar (500 kPa) — Part 1: Specifications for systems | Atcelts |
| 33226 | ISO 4437:1997/Cor 1:1999 | Buried polyethylene (PE) pipes for the supply of gaseous fuels — Metric series — Specifications — Technical Corrigendum 1 | Atcelts |
| 33355 | ISO/DIS 18225 | Plastic piping systems — Multilayer pipe systems for outdoor gas installations — Specifications for systems | 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 |
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