This part of this European Standard EN 12067 specifies the safety, construction and performance requirements for gas/air ratio controls for inlet pressures up to and including 500 mbar of nominal connection size up to and including DN 150, intended for use with gas appliances for use with one or more fuel gases of the first, second or third families. It also describes the test procedures for evaluating these requirements and specifies information necessary for installation and use
EN 12067-1:2003 history
2003EN 12067-1:2003 Gas/Air Ratio Controls for Gas Burners and Gas Burning Appliances - Part 1: Pneumatic Types Includes Amendment A1:2003
1998EN 12067-1:1998 Gas/Air Ratio Controls for Gas Burners and Gas Burning Appliances - Part 1: Pneumatic Types