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.
Status: WithdrawnPublication date: 2004-10
Edition: 1Number of pages: 37
Technical Committee: ISO/TC 161 Controls and protective devices for gas and/or oil