CEN/TC 238
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 71673 | 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) | Izstrādē |
| 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 |
| 71721 | EN 437:2021 | Test gases - Test pressures - Appliance categories | Izstrādē |
| 71721 | LVS EN 437:2021 | Test gases - Test pressures - Appliance categories | Standarts spēkā |
| 71725 | prEN ISO 13734 rev | Natural gas - Organic components used as odorants - Requirements and test methods | Izstrādē |
| 74767 | CEN/TR 1404:2024 | Test gases - Determination of emissions from appliances burning gaseous fuels during type-testing | Standarts spēkā |
| 74767 | LVS CEN/TR 1404:2024 | Test gases - Determination of emissions from appliances burning gaseous fuels during type-testing | Standarts spēkā |
| 74768 | prCEN/TR 1472 | General guidance for the marking of gas appliances | Izstrādē |
| 76144 | prEN 437 rev | Test gases - Test pressures - Appliance categories | Izstrādē |
| 76595 | FprEN ISO 6143 | Gas analysis - Comparison methods for determining and checking the composition of calibration gas mixtures (ISO/FDIS 6143:2025) | Izstrādē |
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