BSEN 1634-1 tested
About Fire Shutter
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Sole agent of Westwood Security Shutter from UK
Established in 1994 Westwood Security Shutters UK is specialist manufacturer and exporter of electrically operated Roller Shutters, Fire Resistant Roller Shutters Twin Skin Insulated Roller Shutters, Retractable Gates and Industrial Insulated Doors.
Westwood Single and Twin Skin Lath Fire Rated Roller Shutters are tested to Exova Fire and Safety BSEN 1634-1 and providing up to 4 Hours of fire resistance. The Double Skin Insulated Lath offers additional heat radiation protection.
Westwood offers quick turnaround. For supply only orders the fire rated shutters will arrive Hong Kong within 4 weeks.
How do fire shutters work
Building regulations require that openings in fire resisting walls or partitions must have a door with an equivalent fire rating to that of the wall or partition.
Heat radiated from a nearby fire causes the fusible link to melt and this activates the shutter.
or, using fire relay connected to the fire alarm system, when the FS alarm is sounded, the shutter activates.
or, a delayed Audio/Visual Warning system in connection with the Fire Shutter is connected to the alarm system, and operates usually with a time delay very similarly to a fire relay. During this delay an additional alarm is sounded, warning those in close proximity to the door that is about to close, thus allowing them to exit the affected area.
Fusible link
Fusible link
Why Do We Recommend Fail-Safe System
Fire shutters could be driven by city power. But in case of a fire does occur, there may come a power blackout. Our fail-safe system features a 24 volt brake release gravity drop close, with advance functions of delay action and split level descent.