Explosion Proof Fire Damper

Explosion Proof Fire Damper

1. Features
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

3. Outline drawing

4. IACS Certificate: KR, DNV▪GL, CCS, ABS, CE, LR, BV