1) Usage: itis suitable for gas heaters, gas burn oven, gas appliances ascontrol component.

2) Workingprinciple: thermocouple and supporting the use of electromagneticvalve is composed of gas safety protection devices, removethermocouple is a microprocessor can provide the power transducer,electromagnetic valve is the control elements, when thermocoupletips when heated by fire department, cold and heat generated due tothe difference between the thermoelectric power, therefore, to formclosed loop current in the external magnetic solenoid valve and theincentive effect, in which, the gas absorption, when the flame,thermocouple rapidly lose potential, electromagnetic valve is lostin the suction under the action of compression spring and gas path,and safety protection.

3) Scope:natural gas, liquefied petroleum gas, the artificial coalgas