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ISO/TS 21343:2025PublishedOil and gas industries including lower carbon energy — Fuel ammonia —Requirements and guidance for boilers for power generationISO 22967:2010PublishedForced draught gas burnersISO 23550:2018PublishedSafety and control devices for gas and/or oil burners and appliances — General requirementsISO 23551-10:2025PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 10: Vent valvesISO 23551-1:2024PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic shut-off valvesISO 23551-11:2024PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 11: Automatic and semi-automatic shut-off valves for operating pressure of above 500 kPa up to and including 6 300 kPaISO 23551-5:2023PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 5: Manual gas valvesISO 23551-12:2023PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 12: Multifunctional controls with integral overpressure protection safety function (OPSF) for use with butane gas cartridges used in portable gas appliancesISO 23551-8:2023PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 8: Multifunctional controlsISO 23551-9:2022PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 9: Mechanical gas thermostatsISO 23551-6:2021PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 6: Thermoelectric flame supervision controlsISO 23551-2:2018PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 2: Pressure regulatorsISO 23551-4:2018PublishedSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 4: Valve-proving systems for automatic shut-off valvesISO 23552-1:2026PublishedControl and protective devices for gaseous and liquid fuels — Particular requirements — Part 1: Electronic fuel/air ratio control systems, including associated sensors and mechanical actuatorsISO/FDIS 23550Under developmentControls and protective devices for gaseous and liquid fuels — General requirementsISO 23550:2011WithdrawnSafety and control devices for gas burners and gas-burning appliances — General requirementsISO 23550:2004WithdrawnSafety and control devices for gas burners and gas-burning appliances — General requirementsISO 23551-8:2016WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 8: Multifunctional controlsISO 23551-10:2016WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 10: Vent valvesISO 23551-9:2015WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 9: Mechanical gas thermostatsISO 23551-5:2014WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 5: Manual gas valvesISO 23551-6:2014WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 6: Thermoelectric flame supervision controlsISO 23551-1:2012WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic and semi-automatic valvesISO 23551-1:2006WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 1: Automatic valvesISO 23551-2:2006WithdrawnSafety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 2: Pressure regulators