Shaft Louvre Damper (SLD)

Shaft Louvre Damper (SLD), are multi-zone smoke control dampers and designed for use in natural and mechanical smoke ventilation systems. They are typically installed into shafts to provide extract ventilation to corridors and into smoke control ducts in residential and commercial buildings. 

They are certified to BS EN 12101-8:2011 and have a fire resistance class of EIS 120. They may be used in multi-compartmented smoke control ducts and have an integrity and insulation of 120 minutes. In addition they have been tested for reliability up to 10,000 cycles and may be used for environmental ventilation. 

They are manufactured with a steel casing, and fire rated multi-blade louvres and operate by a drive open/drive close 24V AC/DC Belimo actuator. They are supplied with a hinged white linear grill internally which provides a neat finish whilst enabling quick access for commissioning and service. 

• Certified to BS EN 12101-8:2011
• Classified to EN 13501-4:2016
• Tested to EN 1366-2 and EN 1366-10
• Fire resistance class EIS 120
• Suitable for smoke control in multi-zone smoke ventilation systems
• May be used for environmental ventilation
• Available up to 1.20m2 @ 500Pa max. geometric area
• Available up to 0.78m2 @ 1000Pa max. geometric area
• Manufactured with steel fire protected housing for installation directly into smoke shaft apertures
• Hinged white linear grill internally provides a neat finish whilst enabling quick access for commissioning and service
• Remote signalling of both open and closed positions
• Impact tested as a complete unit with grille to TN75 and TN76 (with reference to BS 8200)
• Due to complete fire test and full fire resistance classification, may be constituted as a fire compartment