ISO/TC 138/SC 7
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 16039 | ISO 8659:1989 | Thermoplastics valves — Fatigue strength — Test method | Atcelts |
| 29760 | ISO 9393-2:1997/Cor 1:1997 | Thermoplastics valves — Pressure test methods and requirements — Part 2: Test conditions and basic requirements for PE, PP, PVC-U and PVDF valves — Technical Corrigendum 1 | Atcelts |
| 74740 | ISO 8659:2020 | Thermoplastics valves — Fatigue strength — Test method | Atcelts |
| 1361 | ISO 10933:1997 | Polyethylene (PE) valves for gas distribution systems | Atcelts |
| 78883 | ISO 16486-4:2022 | Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 4: Valves | Atcelts |
| 15344 | ISO 8242:1989 | Polypropylene (PP) valves for pipes under pressure — Basic dimensions — Metric series | Atcelts |
| 17085 | ISO 9393-1:1994 | Thermoplastics valves — Pressure test methods and requirements — Part 1: General | Atcelts |
| 15335 | ISO 8233:1988 | Thermoplastics valves — Torque — Test method | Atcelts |
| 62613 | ISO 4437-4:2015 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 4: Valves | Atcelts |
| 87593 | ISO 16486-4:2025 | Plastics piping systems for the supply of gaseous fuels — Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing — Part 4: Valves | Standarts spēkā |
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