First, the role

It is installed in the smoke exhaust system of the walkway or smoke-proof front room or windowless room. It is normally closed. In case of fire, the control center outputs DC24V power supply to make the valve open quickly for air supply, or it can be opened manually.

Second, performance

1. The valve is normally closed;

2. Manual and electric valve opening and manual reset;

3. The control voltage DC24V + 10% -15% current 0.5A;

4. The output signal is linked with the fire center;

5. Decorative panel, aluminum alloy.