BD Series Backdraught Damper
- Category:
- Air Control
The BD Series Backdraught Dampers are self-opening backdraught dampers designed to restrict air backflow.
Suitable for installation in partitions, brick walls, plenums, or duct-mounted applications.
The damper case is constructed from galvanised mild steel with extruded aluminium blades with edge brush seals as standard and are available in Flangefit, Framefit, and Spigotfit options.
For further technical information please see below.
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Product application
The BD series Backdraught Dampers are self-opening backdraught dampers designed to restrict air backflow.
Suitable for installation in partitions, brick walls, plenums, or duct-mounted applications.
The damper case is constructed from 1.2mm galvanised mild steel with extruded aluminium blades with edge brush seals as standard and are available in Flangefit, Framefit, and Spigotfit options.
BD Series Backdraught Damper
BD Series Backdraught Damper
The BD series Backdraught Dampers are Self-opening backdraught dampers designed to restrict air backflow.
Suitable for installation in partitions, brick walls, plenums, or duct-mounted applications.
The self-opening linked blade assembly will open/close subject to air velocity.
Suitable for vertical installation or horizontal with a blade limiting angle.
Unless stated otherwise, flange models are suitable for classes A & B of DW144, with spigot models being suitable for classes A, B and C of DW144, Normal operating conditions – up to a maximum of 1000Pa.
Sizes :
- Flangefit, Framefit and Spigotfit 100mm x 100mm up to 600mm x 1000mm.
- Circular spigotfit 100mm to 1000mm dia
Above 600mm wide 2 x multiple unit.
Welds are treated with protective corrosion-resistant, environmentally friendly water-based paint. The edge seals are nylon brush seals.
Performance and application:
- Temperature: 0°C to +70°C
- Velocity: 1m/s to 14m/s, horizontal airflow.
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