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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

Contact our Sales Office for more information

FD Series Literature

BD Series Brochure
Download Brochure
Operating and maintenance

Options

Type A
Square/rectangular spigot. Blades partially in airstream
Type B
Square/rectangular spigot. Blades out of airstream
Type I "Induct"
Square/rectangular case. Blades partially in airstream
Type C
Circular spigot. Blades out of airstream
Type O
Flat Oval spigot. Blades out of
airstream

Control Options

Solenoid
ElectroMagnet

Multiple assemblies available

LPCB Certification

LPCB Link
Certified by the Loss Prevention Certification Board to LPS 1162
View LPCB test info

Product Range

BD Series
DD Series
Control Panel Systems

FSD-TD Series
HD Series
SB Series
SC Series
SF Series

Product Range

DD_Series Duct Regulating DampersFD Series - Fire Control Dampers

The FD Series Steel Curtain Fire Damper is designed to stop the spread of fire through ducts, walls, floors and ceilings.
The product has many features and options. There are five casing variants with infinite sizing capability within minimum / maximum dimensions, Dampers are available to suit low/ medium and high velocity applications.
FeaturesDD_Series Duct Regulating Damperss
Low/medium and high velocity models
Galvanised or stainless steel blades and casings
Factory fitted HEVAC approved installation frame, or other approved method (see brochure)
Fully welded construction
Infinte sizing capability
Comprehensive status and control options
Tested for four hour duration
Airflow in either direction
Resettable from both sides

Specifications & Tests
Fire tested to:
European standard EN1366 -2:1999
ISO 10294 -1:1996(E)
Horizontal test report for 4hr duration TE 201814
Verticall test report for 4hr duration TE 201633
BS 476 part 20:1987 for 4hr duration: Warrington report WFRC C43264 stainless steel blades; Warrington report WFRC C43265
galvanised blades
28 day Salt corrosion test. Chatfield reports C7217/8
Conforms to DW144 and Eurovent 2/2 as relevant

Blade Detail

leafRoll formed interlocked steel curtain section

Roll-formed interlocking steel curtain section blades are available in either cold reduced hot dipped galvanised mild steel or stainless steel.
Formed within the full length of the blade are dual swages which provide additional strength and rigidity to form a high integrity interlocking blade.
Blade Control Options
Mechanical Visual Indicator
Single Pole Microswitch
Double Pole Microswitch
Burgess Microswitch

Fusible Link Detail

leafStraight Bar (top illustration) or
Gate Latch (
bottom illustration)leaf