Registration number (WIID)Project No.TitleStatus
67717LVS EN 1749:2020Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)Standarts spēkā
74767CEN/TR 1404:2024Test gases - Determination of emissions from appliances burning gaseous fuels during type-testingStandarts spēkā
60267LVS EN ISO 6976:2016Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)Standarts spēkā
71673LVS EN ISO 20765-5:2022Natural gas - Calculation of thermodynamic properties - Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent (ISO 20765-5:2022)Standarts spēkā
71059LVS EN ISO 10101-1:2022Natural gas - Determination of water by the Karl Fischer method - Part 1: General requirements (ISO 10101-1:2022)Standarts spēkā
71060LVS EN ISO 10101-2:2022Natural gas - Determination of water by the Karl Fischer method - Part 2: Volumetric procedure (ISO 10101-2:2022)Standarts spēkā
71061LVS EN ISO 10101-3:2023Natural gas - Determination of water by the Karl Fischer method - Part 3: Coulometric procedure (ISO 10101-3:2022)Standarts spēkā
67516LVS EN ISO 10715:2023Natural gas - Gas sampling (ISO 10715:2022)Standarts spēkā
18755EN ISO 19739:2005Natural gas - Determination of sulfur compounds using gas chromatography (ISO 19739:2004)Standarts spēkā
67717EN 1749:2020Classification of gas appliances according to the method of supplying combustion air and of evacuation of the combustion products (types)Standarts spēkā
Displaying 1-10 of 121 results.