91.140.40 Gas supply systems

Safety and control devices for burners and appliances burning gaseous or liquid fuels - Control functions in electronic systems - Methods for classification and assessment

Method of risk analysis and recommendations for the use of electronics in systems for control of gas burners and gas burning appliances

Gas Infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 1: Detailed functional requirements for design, materials, construction, inspection and testing

Gas infrastructure - Gas installation pipework with an operating pressure greater than 0, 5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 2: Detailed functional requirements for commissioning, operation and maintenance

Gas infrastructure - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 2: Detailed functional requirements for commissioning, operation and maintenance

Gas supply systems - Gas installation pipework with an operating pressure greater than 0,5 bar for industrial installations and greater than 5 bar for industrial and non-industrial installations - Part 2: Detailed functional requirements for commissioning, operation and maintenance

Safety gas connection valves for metal hose assemblies used for the connection of domestic appliances using gaseous fuel

Safety gas connection valves for metal hose assemblies used for the connection of domestic appliances using gaseous fuel

Gas Supply Systems - Guidelines for Management systems for Gas Distribution Network

Gas infrastructure - Safety Management System for Gas Networks with maximum operting pressure up to and including 16 bar

Gas meters - Smart Gas Meters

Gas meters - Additional functionalities