The emergency shut-off valve uses an electromagnet to directly control the valve core to open and close the valve. When the combustible gas alarm sends a pulse signal, the electromagnetic coil inside the gas solenoid valve will drive the iron core to open and close the valve.

What media are emergency shut-off valves suitable for

Emergency shut-off valve, also known as gas solenoid valve, is an external linkage device connected to a combustible gas alarm or household gas alarm. When the combustible gas detector detects that the gas concentration exceeds the warning value, the combustible gas alarm or household gas alarm will activate the gas solenoid valve to cut off the gas source and prevent an explosion.

What media are emergency shut-off valves suitable for

Divided into normally open solenoid valves and normally closed solenoid valves according to their working modes

The normally open gas solenoid valve is always open when not powered on, and automatically closes when powered on. The common gas solenoid valves are normally open solenoid valves. When the normally open gas solenoid valve is connected to the control host of a household gas alarm or combustible gas alarm, it should be connected to the pulse signal output terminal.

The normally closed gas solenoid valve is always closed when not powered on, and automatically opens when powered on. Commonly used in situations where electricity is turned on or off. When the normally closed gas solenoid valve is connected to the control host of a household gas alarm or combustible gas alarm, it should be connected to the holding signal output terminal.