ISO 23550:2004

Safety and control devices for gas burners and gas-burning appliances — General requirements

ISO 23550:2004 specifies safety, constructional and performance requirements and testing of safety control or regulating devices and sub-assemblies or fittings (hereafter referred to as controls) for burners and gas-burning appliances using fuel gases as natural gas, manufactured gas or liquefied petroleum gas (LPG). It is not applicable to corrosive and waste gases.

ISO 23550:2004 is applicable to the following controls:

— automatic shut-off valves;

— burner controls;

— flame supervision devices;

— gas/air ratio controls;

— pressure governors;

— manual taps;

— mechanical thermostats;

— multifunctional controls;

— pressure-sensing devices;

— valve-proving systems;

— zero governors.

The methods of test given in ISO 23550:2004 are intended for product type testing. Tests intended for production testing are not specifically included.

ISO 23550:2004 is intended to be used in conjunction with the specific control standards of the ISO 23551 series.

Edition	2004
Published Date	2004
Published By	International Standardization Organisation
Page Count	37