BSB Engineering Services Limited
Unit E
Tribune Drive
Trinity Trading Estate
Sittingbourne
Kent ME 10 2PD
T: +44(0)1795 422609
F: +44(0)1795 429543
Contact
our Sales Office for more information

Download Brochure
Operating and maintenance
Flangefit
100mm to 1200mm
SpigotFit
100mm to 1200mm
Circular SpigotFit
100mm to 1200mm
Flat Oval Spigotfit
100mm to 1200mm
Extended spindle
Hand Control
Electric Motor
Pneumatic Motor
Multiple assemblies available
BD Series
DD Series
Control Panel Systems
FD Series
FSD-TD Series
HD Series
SB Series
SF Series
SC Series
Smoke Control Dampers
The SC Series
Smoke/Control Damper has been designed for installation primarily into
Fire-Rated Ventilation Ducts to control low-medium air velocities.
Its all steel construction is robust, with detail to its application,
performance and size as required by specifiers and contractors.
Its design, construction and material selection have been specific so
as to ensure a high quality, low maintenance product.
Single section units are available from 100sq.mm. to 1200sq.mm
Featuress
• Standard blade and case construction is galvanised
mild steel, with grade 302S stainless steel side seals
• Unique one piece double-skin interlocking
airfoil blades
• Four casing options
• Linkage out of airflow
• Optional blades and case in grades
316 or 430 stainless steel
• Grade 316 stainless steel side seals
available to order
• Infinite sizing capability from 100sq.mm.
to 1200sq.mm
• Variable flange dimensions and casing
widths
Specifications
& Tests
• Unless stated otherwise, flange models suitable for class A & B of
DW144, spigot models suitable
for class A B & C
• Conforms to HVCA specification DW144
• Conforms to Eurovent 2/2 classes
A - C
• Blade construction fire tested to
BS476 part20; 1987 for integrity and leakage
• Elevated temperature tests, reports
231297, 234486 and 127438 refer
• Resistance tested by BSRIA, report
15633/1 refers
• Leakage tested by BSRIA, report 15633/1
refers
• 28 day salt corrosion tested Chatfield
report RLR3 refers
The 100mm wide
steel airfoil interlocking blades are fitted to 19mm diameter spindles for
robust, low-friction rotation.
Galvanised blades are offered as standard with Stainless Steel Grade 430
and 316 options available to order. Where stainless steel blade option
is requested, grade 430 will be supplied unless otherwise stated.
Fitted as standard is grade 302S stainless steel blade end seals.
Opposed blade operation only.
Special Note:
For applications which necessitate the blades to be installed vertically,
BSB's Sales Office must be informed so that thrust bearings are fitted
to eliminate blade friction.