Marine Multi-Blade Fire Damper
1. Features
The fire damper used for resisting fire in HVAC duct system. The fire damper could be shut off automatically at once to prevent the fire spreading along air duct when it fired and the temperature in air duct got to more than 70℃.
Our fire damper are especially designed for sea environment, and widely used for navy vessels, off-shore platform and underground projects etc. The fire damper could effectively hinder hydrosphere and fog in duct, and work well in this environment.
2. Main technical parameter
|
Iterm Types |
Manual fire damper |
Electrical fire damper |
Pneumatic fire damper |
|
Fusing temp. |
70±3℃ |
70±3℃ |
70±3℃ |
|
Closed time |
＜2s |
＜1s |
＜2s |
|
Air leakage ate |
≤5m³/m².h |
≤5m³/m².h |
≤5m³/m².h |
|
Air source pressure |
--- |
--- |
Compressed air of 0.5~0.8MPa |
|
Control voltage |
--- |
DC24V/AC110V/AC220V |
|
|
Protection degree |
--- |
IP44/IP56/IP65/IP67 |
|
|
Explosion-proof degree |
--- |
ExdⅡBT~BT6 ExdⅡCT4~CT6 |
|
4. IACS Certificate: DNV▪GL, CCS, CE, LR, BV, ABS, KR
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