ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 63773 | ISO 21307:2017 | Plastics pipes and fittings — Butt fusion jointing procedures for polyethylene (PE) piping systems | Standarts spēkā |
| 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 |
| 42220 | ISO 13950:2007 | Plastics pipes and fittings — Automatic recognition systems for electrofusion joints | Standarts spēkā |
| 60931 | ISO 18225:2012 | Plastics piping systems — Multilayer piping systems for outdoor gas installations — Specifications for systems | Standarts spēkā |
| 24631 | ISO 14531-1:2002 | Plastics pipes and fittings — Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels — Metric series — Specifications — Part 1: Pipes | Standarts spēkā |
| 36966 | ISO 6993-3:2006 | Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels — Part 3: Fittings and saddles for a maximum operating pressure of 1 bar (100 kPa) | Standarts spēkā |
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