Tested to BS 476 Part 22 and EN 1634-1 and approved for fire ratings of 30 and 60 minutes.
Constructed from 51mm flat section galvanised steel laths with pressed steel endlocks fitted to alternate laths to prevent lateral movement.
Formed from a reinforced lath.
The side guides are formed from galvanised steel channels and prepared for fixing to the opening structure by means of continuous fixing angles.
Fabricated from galvanised mild of adequate thickness relative to door size and supplied with angles for fixing to the structure.
The roller is manufactured from mild steel tube of sufficient diameter and wall thickness to resist deflection and is mounted in bearings or cups on each end plate. A galvanised steel casing is supplied as standard.
Galvanised as standard. They are also available in stainless steel and polyester powder coated in a range of standard RAL colours at extra cost.
Approximately 25 kgs per m².
Electrical operation is by means of a 240 volt tubular motor with gravity failsafe closure.
The standard unit is pre-wired obviating the need for a site electrician.
The standard controls are by means of a recessed keyswitch unit at low level. Other types of control are available at extra cost.
In a fire condition, activation is initiated by an incoming signal from the fire alarm system. Closure is by gravity with a controlled descent.
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