CFH-S Type Marine Manual Fire Damper
1. Features:
- Fire damper is open in normal condition;
- If the temperature of air within damper duct exceeds 70±3°C, the fusible link of fire damper will be broken to close the fire damper;
- Handling steel drag line could shot off the fire damper locally and the length of the drag line is 1.5 m in length;
- The electrical signal could be output according to user’s requirement;
- Fire damper should be reset manually;
2. Outline drawing
3. Type and parameter
A) Rectangular single-blade manual fire damper
| Type | a x b | L | Flange size |
| CFH-S axb | 100×100 ~ 500×700 | ≥250 | According to GB1561-79 |
B) Circular single-blade manual fire damper
| Type | a x b | L | Flange size |
| CFH-S ø D | 100×500 | ≥250 | According to GB1561-79 |
C) Rectangular multi-blades manual fire damper
| Type | a x b | L | Flange size |
| CFH-S axb | 300×400 ~ 1600×2000 | ≥250 | According to GB1561-79 |
D) Circular multi-blades manual fire damper
| Type | a x b | L | Flange size |
| CFH-S ø D | 300×1800 | ≥300 | According to GB1561-79 |
Note: Flange size of all fire dampers could be fabricated according to user’s requirements.