A
alfu
Hi everyone my name is Alfie and I am currently doing my gas training GGFO. I want to know and understand more about how the following gas controls work. SOLENOID VALVE, MULTI FUNCTIONAL VALVE,,THERMOCOUPLE,THERMO ELECTRIC VALVE, MEDIUM PRESSURE METER REGULATOR.FAN PROVING SWITCH,LIQUID EXPANSION VALVE AND FLAME RECTIFICATION. Thanks guys. This will be a great help.