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1 Scope This part of ISO 23551 specifies safety, constructional, and performance requirements for thermoelectric flame supervision controls , energized by a thermocouple , intended for use with gas b…
Overview ISO 23551-9:2022 - "Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 9: Mechanical gas thermostats" specifies safety, construction, perf…
Overview ISO 23551-6:2021 specifies safety, constructional, performance and type-testing requirements for thermoelectric flame supervision controls energized by a thermocouple for use with gas burner…
Overview ISO 23551-2:2018 - "Safety and control devices for gas burners and gas-burning appliances - Part 2: Pressure regulators" specifies safety, construction, performance and type testing requirem…
Overview ISO 23551-1:2012 - "Safety and control devices for gas burners and gas‑burning appliances - Part 1: Automatic and semi‑automatic valves" - specifies safety, constructional and performance re…
1 Scope This part of ISO 23551 specifies safety, constructional and performance requirements for manual gas valves intended for use with gas burners and gas-burning appliances, hereafter referred to…
Overview ISO 23551-8:2023 specifies safety, construction, performance and testing requirements for multifunctional controls (MFC) used with gas burners and gas-burning appliances. The standard covers…
1 Scope This part of ISO 23551 specifies safety, constructional, and performance requirements and testing of mechanical gas thermostat for gas burners, gas appliances, and similar use hereafter refer…
Overview ISO 23551-10:2025 - Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 10: Vent valves - specifies the safety, constructional, performance…
Overview ISO 23551-5:2023 - part of the ISO 23551 series on safety and control devices for gas burners and gas‑burning appliances - specifies safety, constructional and performance requirements for m…
Overview ISO 23551-12:2023 defines safety, construction, performance and testing requirements for multifunctional controls with integral overpressure protection safety function (OPSF) intended for us…
Overview ISO 23551-4:2018 - "Safety and control devices for gas burners and gas‑burning appliances - Part 4: Valve‑proving systems for automatic shut‑off valves" specifies safety, constructional and…
Overview ISO 23551-1:2024 is the third-edition international standard specifying safety, constructional and performance requirements and type testing for automatic and semi-automatic shut-off valves…
Overview ISO 23551-11:2024 is an international standard developed by ISO that specifies the safety, construction, and performance requirements for automatic and semi-automatic shut-off valves used in…
Overview ISO 2355:1972 specifies a standardized gravimetric method for the chemical analysis of magnesium and its alloys, focusing on the determination of rare earth element (REE) content. This inter…
Overview ISO 23551-10:2016 - "Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 10: Vent valves" specifies safety, design, construction, performan…
