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Description
  • Country of manufactureIndia

Electrical Industrial Damper


Industrial Dampers are provided on air/gas ducts to control flow under normal circumstances and to isolate areas connected by duct from the fire affected area.

Construction:


Dampers are manufactured with single flap/multilouvers. The louvers are connected through suitable linkage to a controlling actuating device, such as electrical actuator/solenoid valve/pneumatic cylinder/fusible link. Louver/flap shaft are provided with bearings with greasing facility to enable smooth rotation.

Louvers/flaps are made of mild steel. The louvers/flaps are designed in the form of a box and are sandwiched with high grade insulating material which can withstand 9800 C for period of 90 minutes, conform to CBRE/UL - 555, thereby acting as effective barrier in closed position to the flame path between air duct and fire effected area.

The shape of the louver/flap is somewhat complex in nature for multifold purposes :

  • The complex shape reduces the leakage factor considerably.
  • Fire exposed surfaces are backed-up by insulating material.
  • Due to special insulating material, the strength of the louver/flap is retained at high temperature, thereby reducing the possibility of leakages.
  • The shape provided, enables thermal expansion of the louver /flap without affecting sealing areas.
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