CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81853 | EN ISO 6145-7:2018/prA1 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 7: Thermal mass-flow controllers - Amendment 1: Correction of formula C.4 (ISO 6145-7:2018/DAM 1:2025) | Aptauja slēgta |
| 34630 | EN ISO 6974-1:2012 | Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012) | Standarts spēkā |
| 67717 | EN 1749:2020 | European standard for the classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types) | Standarts spēkā |
| 30136 | EN ISO 6145-4:2008 | Gas analysis - Preparation of calibration gas mixtures using dynamic volumetric methods - Part 4: Continuous syringe injection method (ISO 6145-4:2004) | Standarts spēkā |
| 35800 | EN ISO 13734:2013 | Natural gas - Organic components used as odorants - Requirements and test methods (ISO/DIS 13734:2012) | Standarts spēkā |
| 32828 | EN ISO 6145-1:2019 | Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 1: General aspects (ISO 6145-1:2019) | Standarts spēkā |
| 23968 | EN ISO 6975:2005 | Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997) | Standarts spēkā |
| 60267 | LVS EN ISO 6976:2016 | Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016) | Standarts spēkā |
| 67717 | LVS EN 1749:2020 | Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types) | Standarts spēkā |
| 60267 | EN ISO 6976:2016 | Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016) | Standarts spēkā |
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