Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016); German version EN ISO 6976:2016— 67 стр.
Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012); German version EN ISO 6974-1:2012— 52 стр.
Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 2: Uncertainty calculations (ISO 6974-2:2012); German version EN ISO 6974-2:2012— 24 стр.
Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 974-1:2012 + Cor 1:2012) (consolidated version)
Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015); German and English version prEN ISO 20765-2:2016
Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999); German version EN ISO 6976:2005— 69 стр.
Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO/DIS 6976:2015); German and English version prEN ISO 6976:2015
Natural gas - Calculation of calorific values, density, relative density and Wobbe index from composition (ISO 6976:1995 including Corrigendum 1:1997, Corrigendum 2:1997 and Corrigendum 3:1999); German version EN ISO 6976:2005— 69 стр.
Natural gas and biomethane for use in transport and biomethane for injection in the natural gas network - Part 1: Specifications for biomethane for injection in the natural gas network; German version EN 16723-1:2016— 22 стр.
Natural gas and biomethane for use in transport and biomethane for injection in the natural gas network - Part 2: Automotive fuels specification; German version EN 16723-2:2017— 27 стр.
Natural gas - Calculation of thermodynamic properties - Part 2: Single-phase properties (gas, liquid, and dense fluid) for extended ranges of application (ISO 20765-2:2015)— 72 стр.
Natural gas - Calculation of thermodynamic properties - Part 1: Gas phase properties for transmission and distribution applications (ISO 20765-1:2005)— 50 стр.
Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C<(Index)8> using two packed columns (ISO 6974-3:2000); German version EN ISO 6974-3:2001— 20 стр.
Non-domestic forced convection gas-fired air heaters for space heating not exceeding a net heat input of 300 kW incorporating a fan to assist transportation of combustion air or combustion products— 164 стр.
Domestic gas-fired forced convection air heaters for space heating, with fan-assisted burners not exceeding a net heat input of 70 kW; German version EN 1319:2009— 165 стр.
Non-domestic direct gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW; German version EN 525:2009— 87 стр.
Domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 70 kW, without a fan to assist transportation of combustion air and/or combustion products; German version EN 778:2009— 145 стр.
Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, without a fan to assist transportation of combustion air and/or combustion products; German version EN 621:2009— 120 стр.
