CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 67516 | LVS EN ISO 10715:2023 | Natural gas - Gas sampling (ISO 10715:2022) | 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 |
| 71721 | LVS EN 437:2021 | Test gases - Test pressures - Appliance categories | Standarts spēkā |
| 32962 | EN ISO 19739:2005/AC:2009 | Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004/Cor 1:2009) | Standarts spēkā |
| 61352 | EN ISO 14532:2017 | Natural gas - Vocabulary (ISO 14532:2014) | Standarts spēkā |
| 40209 | EN ISO 15971:2014 | Natural gas - Measurement of properties - Calorific value and Wobbe index (ISO 15971:2008) | 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 |
| 71673 | LVS EN ISO 20765-5:2022 | Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022) | Standarts spēkā |
| 74767 | CEN/TR 1404:2024 | Test gases - Determination of emissions from appliances burning gaseous fuels during type-testing | Standarts spēkā |
| 76595 | LVS EN ISO 6143:2025 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO 6143:2025) | Standarts spēkā |
Displaying 21-30 of 129 results.