ISO/TC 138/SC 4
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 37627 | ISO 4437:2007 | Buried polyethylene (PE) pipes for the supply of gaseous fuels — Metric series — Specifications | Atcelts |
| 59129 | ISO 4437-2:2014 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) — Part 2: Pipes | Atcelts |
| 59130 | ISO 4437-3:2014 | Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings | Atcelts |
| 59131 | ISO 4437-5:2014 | Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) — Part 5: Fitness for purpose of the system | Atcelts |
| 36964 | ISO 6993-1:2006 | Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels — Part 1: Pipes for a maximum operating pressure of 1 bar (100 kPa) | Standarts spēkā |
| 13555 | ISO 6993:1990 | Buried, high-impact poly(vinyl chloride) (PVC-HI) pipes for the supply of gaseous fuels — Specification | Atcelts |
| 30092 | ISO 6993:2001 | Buried, high-impact poly(vinyl chloride) (PVC-HI) pipes for the supply of gaseous fuels — Specifications | Atcelts |
| 36965 | ISO 6993-2:2006 | Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels — Part 2: Fittings for a maximum operating pressure of 200 mbar (20 kPa) | 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 |
| 36967 | ISO 6993-4:2006 | Buried, high-impact poly(vinyl chloride) (PVC-HI) piping systems for the supply of gaseous fuels — Part 4: Code of practice for design, handling and installation | Standarts spēkā |
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