Purpose: Applied to the air duct of the smoke exhaust system. When a fire occurs, the valve can be quickly opened through the DC24V power supply or manually to exhaust smoke.
Material: galvanized steel sheet/ordinary steel sheet

Function:
1. Normally closed, output DC24V open signal to make the valve open quickly

2. Manually open or reset

3. The output valve opening signal can be interlocked with other equipment.

4. Long-distance control (steel rope no more than 6m)