- Model: ASD (automatic zinc galvanized automatic fire and smoke proof control damper)
- Material: Steel;
- Color: Up request;
- Sizes: Standard and specialsizes– available;
- Functions: Close usually, when smoke sensor indicates the firealarm,?the control center automatically put through DC 24V to turn on the valve. Valve will turn off again when the temperature reaches 280℃. Manual restoration. After the valve is open, can turn off the valve by DC 24 V. can interlock with fireproofing or other setting, output lock and unlock signal;
- Use: To be installed on wall;
- Packing: 1pc/CTN.