CFH-D Type Marine Electric Fire Damper
1. Features:
- Control voltage DC24V/AC220V/AC110V is supplied, the fire damper should normal open and close on outage.
- Central control room can cut off the electric source to close the fire damper in emergency, and reconnect the power to open the fire damper again.
- If the temperature of air within damper duct exceeds 70±3°C or outside air temperature around duct near 95°C, the fusible link of fire damper will be broken and cut off the control electrical power to close the fire damper.
- On/Off signal output when the fire damper is open/close.
- Each fire damper is supplied with one electrical control box to control on/off operation of the fire damper locally or remotely.
2. Outline drawing:
3. Supply scope:
- Electric control box: 1 set
- Junction box: 1 set
- User should clearly specify in order list if have special requirement.
4. Type & Parameter:
A) Rectangular single blade electrical fire damper
| Type | a x b | L | Flange size |
| CFH-D axb | 100×100 ~ 500×700 | ≥250 | According to GB1561-79 |
B) Circular single blade electrical fire damper
| Type | a x b | L | Flange size |
| CFH-D ø D | 100×500 | ≥250 | According to GB1561-79 |
C) Rectangular multi-blades electrical fire damper
| Type | a x b | L | Flange size |
| CFHD-D axb | 300×400~1600×2000 | ≥250 | According to GB1561-79 |
D) Circular multi-blades electrical fire damper
| Type | a x b | L | Flange size |
| CFHD-D ø D | 300×1800 | ≥300 | According to GB1561-79 |
Note: Flange size of all fire dampers could be fabricated according to user’s requirements.