Marine Rectangular Electric A60 Fire Damper

The fire damper is intended fro ventilation duct with fire requirement. When on fire, the temperature inside the duct reaches 70°C, fire damper will automatically close quickly to avoid fire spreading. According to the shape, there are rectangular & round type. According to the control way, there are manual, electrical, pneumatic type.The blade can be single blade or multi-blades. The fireproof class can reach A60.

Design Standard: CB/T3557-1995

Main Parts: manual actuator, temperature detector, damper body, damper plate, main shaft, flange, dragline.

Main Functions & Features:

1)The fire damper is opened under the normal situation. 
2) When the temperature within the duct reaches 70 ± 3 °C, the temperature fuse is blown, the damper is closed automatically.
3)The fire damper can be closed by dragging the manual steel dragline, the dragline length is nornally 1.5meter.

4) The damper needs to be reset manually.

5)The damper can output electric signal after closing.

Main Size List(mm):

L can be decided by the customer.