BSB FSD-C Series Manual page 2

Circular single blade combination fire and smoke damper
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FSD-C Series
Single Blade Combination Fire and Smoke Dampers – Introduction
Introduction
The FSD-C Motorised Failsafe Single Blade combination Fire
and Smoke Damper has been designed specifically for
installations where space is at a premium and installation within
the fire separation is not feasible.
The FSD-C Single Blade Fire/Smoke Damper provides greater
free area than comparable sized conventional multi blade
fire/smoke dampers.
The installation plate, with its engineered installation
perforations, acts as a template to allow the marking of the fixing
positions on the surface structure to which the plate will be
affixed, allowing for a quick and efficient install.
Introduction
What is a fire damper and why might they be needed?
The FSD-C Series Single Blade Circular Fire Damper is designed to
stop the spread of fire through ducts passing through walls and
floors.
The product range has many features and options to meet the
requirements of specifiers, contractors, local and national authorities.
Dampers are available to suit both low/medium and high velocity
applications.
What are the 'E' and 'ES' classifications?
To achieve the classifications to EN13501-3, fire dampers and fire
and smoke dampers shall be tested to EN1366-2 and a 300Pa
pressure difference is applied across the damper. During the fire
test period, the integrity of the seal between the damper and the
structure shall not have any gaps larger than 150mm x 6mm. There
shall not be any sustained flaming. The largest size of damper to be
manufactured for sale as a single section shall be fire tested.
E = Integrity
The maximum leakage permissible at 300Pa corrected to 20°C is
360m
/hr/m
(100 l/s/m
) throughout the fire test period.
3
2
2
ES = Integrity with Smoke Leakage Performance
The maximum leakage permissible at 300Pa corrected to 20°C is
200m
/hr/m
(55.5 l/s/m
) at ambient prior to the fire test and
3
2
2
throughout the fire test period. In addition, for the ES classification to
be attained, the smallest damper must also meet the 200m
maximum leakage with a 300Pa pressure across the damper. (This is
equivalent to just 0.55 l/s on a 100x100 damper)
Fire dampers should be installed as tested.
Some applications (fan off) allow the use of tests undertaken to BS
476-20/22 and this is also allowed worldwide in areas outside of the
EU. Test reports showing testing to EN 1366-2 should be acceptable
to meet the requirements of BS 476-20/22, but the reverse is
definitely not the case and no classifications are available.
However, as a word of caution, in whichever case, the correct model
must be selected, to match fire resistance time with installation
method and with the supporting construction (wall or floor).
To ensure that all testing and assessments are traceable back to
initial fire test reports, the BSB FSD-C series is product certificated by
the Loss Prevention Certification Board (LPCB). This means that in
addition to normal BS EN ISO 9001 compliance, the product is also
checked to ensure that same product is being manufactured that has
been tested or assessed.
BSB have a policy of continued testing and product certification to try
and provide as broad a number of installation methods as possible.
BSB also follow regulation and standards development very carefully
to provide input on changes and to be able to pass on relevant
information to designers, specifiers, building control authorities
(BCA's) and installers.
2
FSD-C Features and Benefits
Tested and certified installation variants of the FSD-C are
available for both blockwork and stud partitions.
All BSB tested installation methods give at least a E90
classification.
Unique blade construction.
Halogen free LSF cable
Exceeds the requirements of EN1366-2
Reduced commissioning time
Thermal fuse replaceable external to the duct.
Test switch integral to the thermal fuse allowing the damper
to be tested locally and individually.
LED indication that power is available to the actuator and the
thermal fuse is intact.
Installation plate with template location holes to allow easy
installation.
Testing and Conformities
Tested to EN1366-2. See installation details for full details.
Damper casings conform to BS EN 1506
Tested/assessed and achieved equivalent classification to:
ES Classification (BS EN 1366-2/BS EN 13501-3)
BSB FSD-C fitted with Installation Plate
E180 - Blockwork/Masonry wall
ES120 - Blockwork/Masonry wall
ES90 - Concrete floor
ES120 - Horizontal application
(please refer to BSB sales office)
ES90 - Horizontal application
(please refer to BSB sales office)
E120 - Dry Partition wall
ES120 - Dry Partition wall
Integrity only (BS 476-20/22 - ADB)
Meets the requirements of BS 476-20/22 -
Refer to BS 476-10.6.6.3
FSD-C Blade leakage (BS EN 1751)
Class 2
/hr/m
3
2
Corrosion Testing
BBA test report 50447 issue 2 refers
Tested to BS EN 60068-2-11:1999
www.bsb-dampers.co.uk

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