BSB Dampers
Air, Fire and Smoke Control
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BSB Engineering Services Ltd.
Unit 56, Trinity Trade Centre,
Mill Way, Sittingbourne,
Kent ME10 2PD, United Kingdom
Sales Office: +44(0)1795 422609
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+44(0)1795 505366
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FSD-TD Series - Standard Typical Tender/Specification Text

The fire and smoke dampers shall be LPCB certificated and pass the test requirements stated in EN 1366-2.

For maintenance of compartmentation and the protection of escape routes and areas with sleeping risk fire and smoke dampers shall have an ES classification to EN 13501-3 and shall include an actuator that can respond to a smoke alarm signal to ensure closure at the first trace of smoke. Refer to Approved Document B (ADB).

The actuator shall have a thermal fuse as a failsafe backup to ensure closure, should the temperature exceed 72°C. It shall close in less than 30 seconds and motor open in less than 60 seconds.

The fire and smoke damper shall have an opposed blade action with the interlocking double skinned blades each having robust 19mm spindles for both resistance to fire and daily airflow exposure.

The fire and smoke damper blade drive linkage shall be fully enclosed and outside of the air stream for protection against damage and air contamination.

Stainless steel gaskets shall be provided at the top and bottom of the fire and smoke damper as well as down the sides to reduce ambient leakage to below the levels stated in EN 1366-2.

The fire and smoke damper case shall be fully welded to meet the air tightness test requirements of HVCA specification DW144 to classes A, B and C up to 1500Pa.

The fire and smoke damper shall have a tested or assessed installation method that matches the requirement of the supporting construction into which it is built.

Fire and smoke dampers shall be the FSD-TD Series as supplied by BSB - - 01795 422609

(Tests or assessments of installation methods to BS 476-20/22 may be acceptable if the ventilation design causes the fans to be turned off in the event of a smoke or fire alarm and escape routes and areas of sleeping risk are not being protected)

BSB Engineering Services Ltd. reserves the right to modify or withdraw any specification without prior notice that may result from continuous product development. The information contained within this website is for reference only. Full product details should be obtained from our Sales Office.

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