FDB2 - Sam

Halton FDB2 - Fire and gas shutter with position indicator and universal installation.

Fire dampers FBD2
Type approved Class A0 (A60) fire and gas dampers for use in ventilation systems

FDB2 can be installed in rectangular or circular ducts. All fire dampers have a fusible link and prevent the spread of fire and gases in ventilation ducts. When the blades are in the open position, the device does not cause significant pressure loss, noise or flow disturbance. Fire dampers are externally mounted and can be installed in any position. The open-close indicator is visible from the outside of the damper. Fire dampers with non-standard dimensions can be supplied on request.

HALTON FBD2 is:

Type approved by most recognized classification societies: class A0 without insulation, A15-A60 with appropriate insulation/
Available as ATEX certified
Blades contain silicone seals (effective up to 300 ºC) for low leakage under normal conditions and graphite seals with thermal expansion (effective from 150 ºC) to increase the tightness even up to 50% in case of fire. The closed flap meets the leakage requirement of Class 1 to Class 3 depending on size. Details are available from Halton Marine.
Rated fuse operating temperatures are 50 ºC, 74 ºC or 100 ºC. Other temperatures are available.
Can be mounted in any position.
Light weight due to patented double sheathed blade structure.
Automatic electric, pneumatic or spring control system available.
Maximum duct pressure for the damper design is 5000 Pa and maximum air velocity is 15 m/s.
Materials are selected according to the requirements of the location where the damper is to be installed and operated.

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