This marine pneumatic fire damper is rectangular shape, and make with galvanized steel sheet. Size can be custom-made.
Material：
Galvanized Steel Sheet
Size(WxH)：
Combining with the air duct sizes
Features:
1.Usually it is opened, when on fire, smoke(temperature) sensors output electric signal(DC24V) through control center, and the electromagnet in the actuator acts, damper is automatically closed, then outputs the close electric signal.
2.The damper can e manually closed.
3.Manual reset is needed after the damper acting.
4.When the temperature getting up to 280℃, the fuse will act the damper is automatically closed.
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