Insulated fire resistant steel roller shutters are manufactured the international quality and safety certificates, These shutters can be rated up to a maximum of 4 hours e.g. a four hour “Fire Resistant Level” (FRL).
Automatic closure in event at fire is actuated by fusible link (fuses at 71 °C). Where interfacing with a smoke detector or fire alarm system is required, the fusible link can also incorporate a hold – open magnet. Provision of the interfacing work is by the fire control subcontractor. When the daylight opening exceeds 4000mm in width, an additional fusible link is to be provided, located at the other end and connected via a cable to the fusible link on the operator side.
Electric operation and/or chain;
This includes emergency chain operation in the event of power failure.
Keys witches can be added if required.
Galvanized steel (standard).
Polyester powder coat colors (selected from manufacturers powder coat color charts).
Max. Torque Up to 135 N.
Out Put Speed Up To 48 r.p.m.
Door Surface Area from 11 m² Up To 40 m².
Door Weight Up To 800 kg.
Shaft Hole: 25.4 mm.
Limit Switch: Electromechanical With Encoder.
Lubrication: With Oil.