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Hydrogen Technologies Standards form the basic framework for market ramp-up
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Climate change Standards and specifications support climate targets
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Smart Farming Standards and specifications are drivers for the digitalization of agriculture
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Publications of ISO/TC 138/SC 4

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ISO/TS 18226	2006-10	Pre-standard	Plastics pipes and fittings - Reinforced thermoplastics pipe systems for the supply of gaseous fuels for pressures up to 4 MPa (40 bar) More	Order from DIN Media
ISO 6993-1	2006-06	Standards	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) More	Order from DIN Media
ISO 6993-2	2006-06	Standards	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) More	Order from DIN Media
ISO 6993-3	2006-06	Standards	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) More	Order from DIN Media
ISO 6993-4	2006-06	Standards	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 More	Order from DIN Media
ISO 13950	2007-03	Standards	Plastics pipes and fittings - Automatic recognition systems for electrofusion joints More	Order from DIN Media
ISO 13950 Technical Corrigendum 1	2008-01	Standards	Plastics pipes and fittings - Automatic recognition systems for electrofusion joints; Technical Corrigendum 1 More	Order from DIN Media
ISO 14531-1	2002-12	Standards	Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels; Metric series; Specifications - Part 1: Pipes More	Order from DIN Media
ISO 14531-2	2004-07	Standards	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 More	Order from DIN Media
ISO 14531-3	2010-12	Standards	Plastics pipes and fittings - Crosslinked polyethylene (PE-X) pipe systems for the conveyance of gaseous fuels - Metric series - Specifications - Part 3: Fittings for mechanical jointing (including PE-X/metal transitions) More	Order from DIN Media

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