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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

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SF Series Literature

BD Series Brochure
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Operating and maintenance

SF Series Options

Flangefit 30
30mm flange
100 to 1000mm sq.
Flangefit 35
35mm flange
100 to 1000mm sq.

Control Options

Extended spindle
Hand Control
Electric Motor
Pneumatic Motor

Multiple assemblies available

Product Range

BD Series
DD Series
Control Panel Systems
FD Series
FSD Series
HD Series
SB Series
SC Series

Product Range

DD_Series Duct Regulating DampersSF Series
SlimFit Regulating Dampers


The SF Series Slimfit Regulating Damper has been specifically designed for installation primarily into ventilation ducts to regulate low-medium air velocities.
Its construction is robust, with detail to its application, performance and size as required by specifiers and contractors considered during development.
The selection of components and materials has been specific so as to ensure a high quality, low-maintenance product.
Single section units are available from 100mm to 1000mm in either width or height.


Features
s
Standard case construction is galvanised mild steel
Standard blade construction is 50mm wide extruded aluminium
Standard out of airflow linkage
Standard opposed blade operation
Standard blade end caps (aluminium blade only)
Optional stainless steel case grades 316 and 430
Optional 63.5mm wide stainless steel blades grades 316 and 430
Optional flange sizes
Optional side seals grade 301
Optional control


Specifications & Tests

Unless otherwise stated, flange models are suitable for classes A & B of DW144, with spigot models suitable for classes A, B & C of DW144
Independent performance tests for pressure drop. Test report 166 refers
Independent performance tests for casing leakage. Test report 167 refers
Conforms to HVCA Specification DW144 as relevant
Conforms to Eurovent 2/2 as relevant

Blade Detail

leafleafStandard Aluminium Blade (left) or optional stainless steel blade (right).

The 50mm wide extruded aluminium airfoil blades are fitted to 12.5mm diameter spindles for robust, low-friction movement. The option of grades 316 or 430 stainless steel blades are available to order. Stainless steel blade option available in 63.5mm width only.


Fitted as standard to the blades are end caps to negate noise generation, with parallel blade operation available to order.