ISO 23550:2018 PDF

Scope: This document specifies safety, construction, performance and testing requirements for controls for gas burners and gas burning appliances for use with natural gas, manufactured gas or liquefied petroleum gas (LPG). This document applies to controls for use at maximum operating pressures up to and including 500 kPa. This document provides the general requirements that are intended to be the basis for the specific control standards found in the ISO 23551 and ISO 23552 series. These include the following: — automatic and semi-automatic gas valves; — gas thermoelectric flame supervision controls; — gas and oil /air ratio controls; — gas pressure regulators; — manual gas valves; — mechanical gas thermostats; — multifunctional gas controls; — air and gas pressure-sensing devices; — gas vent valves; — gas valve-proving systems. This document covers type testing only. This document is also applicable to Gas Quick Connectors (GQC) for use inside appliances with connections up to, and including DN 25, and a maximum operating pressure up to and including 100 kPa. GQCs include: — tube to tube connections; — tube to control connections; and — tube to fitting connections. This document does not apply to mechanical controls for use with liquid fuels. It is also not applicable to corrosive and waste gases.

ISO 23550:2018 Referenced Document

IEC 60079-11:2011 Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
IEC 60335-1:2010 Household and similar electrical appliances - Safety - Part 1: General requirements
IEC 60335-2-2:2009 Household and similar electrical appliances - Safety - Part 2-2: Particular requirements for vacuum cleaners and water-suction cleaning appliances

2018 ISO 23550:2018 Safety and control devices for gas and/or oil burners and appliances - General requirements
2015 ISO 23550:2011/Amd 1:2015 Safety and control devices for gas burners and gas-burning appliances - General requirements; Amendment 1
2011 ISO 23550:2011 Safety and control devices for gas burners and gas-burning appliances - General requirements
2004 ISO 23550:2004 Safety and control devices for gas burners and gas-burning appliances - General requirements