ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 46115 | ISO 17484-2:2009 | Plastics piping systems — Multilayer pipe systems for indoor gas installations — Part 2: Code of pratice | Standarts spēkā |
| 60932 | ISO 17885:2015 | Plastics piping systems — Mechanical fittings for pressure piping systems — Specifications | Atcelts |
| 70666 | ISO 17885:2015/Amd 1:2016 | Plastics piping systems — Mechanical fittings for pressure piping systems — Specifications — Amendment 1 | Atcelts |
| 77001 | ISO 17885:2021 | Plastics piping systems — Mechanical fittings for pressure piping systems — Specifications | Atcelts |
| 44698 | ISO 18225:2007 | Plastics piping systems — Multilayer piping systems for outdoor gas installations — Specifications for systems | Atcelts |
| 60931 | ISO 18225:2012 | Plastics piping systems — Multilayer piping systems for outdoor gas installations — Specifications for systems | Standarts spēkā |
| 40607 | ISO 21307:2009 | Plastics pipes and fittings — Butt fusion jointing procedures for polyethylene (PE) pipes and fittings used in the construction of gas and water distribution systems | Atcelts |
| 57052 | ISO 21307:2011 | Plastics pipes and fittings — Butt fusion jointing procedures for polyethylene (PE) pipes and fittings used in the construction of gas and water distribution systems | Atcelts |
| 63773 | ISO 21307:2017 | Plastics pipes and fittings — Butt fusion jointing procedures for polyethylene (PE) piping systems | Standarts spēkā |
| 77003 | ISO 21307:2017/Amd 1:2020 | Plastics pipes and fittings — Butt fusion jointing procedures for polyethylene (PE) piping systems — Amendment 1 | Standarts spēkā |
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