Visionguard 76
A vertical roller shutters available with manual or electric operation with either solid or perforated curtain.
Dimensions:
Opening height up to 6000mm, opening width up to 6000mm.
Shutter weight: 35 kg/m² of door opening.
Curtain
Constructed from 76mm galvanised cold rolled scroll sections of suitable gauge, each alternate lath is fitted with a steel endlock to prevent lateral movement and wind anchor locks on larger doors. The perforated version has multiple micro circular perforations.
Bottom Rail
The base of the curtain is fitted with a steel angle reinforcing rail of adequate size forming an inverted ‘T’.
Side Guides
Formed from cold rolled mild steel channel sections secured to the opening structure by full height mild steel fixing angles.
Roller Assembly
Constructed from mild steel tube fitted with counterbalance high tensile helical springs, mounted on bright steel shafts running in ball races, reduction drive gearing where applicable is by machine cut steel gears or chain drive to suit the size of the opening.
Endplates
The roller assembly is supported by mild steel endplates with mounting angles for fixing to the support structure.
Roller Enclosure (optional extra)
Formed from galvanised pressed sheet metal to enclose the rear of the shutter barrel and curtain assembly.
Operation
Conventional electric motor with push button control and chain override.
Tube motor within coil with toggle switch or keyswitch control and hand crank override.
Manual haul chain operation.
Automatic opening and closing
Finish
All parts not galvanised are painted in one coat of grey protective primer.
Consult with Northern Doors (UK) Ltd technical literature for details. Northern Doors can also provide a design and specification advisory service and it is recommended that they are consulted early in the design process.

Manufacturer: Northern Doors (UK) Ltd, Kingsforth Road, Thurcroft, Rotherham, South Yorkshire, S66 9HU. Tel: 01709 545 999. Fax: 01709 545 341. Email: This email address is being protected from spam bots, you need Javascript enabled to view it Web: www.northerndoors.co.uk 
Product reference: Safeguard 76 Roller Shutter

Performance: Not applicable

Arrangement: Vertical roller shutter

Shutter curtain: 76mm cold rolled scroll sections with each alternate lath fitted with a steel endlock to prevent lateral movement and wind anchor locks on larger doors.
Finish as delivered:
Solid / Perforated
Galvanised.
Consult with Northern Doors (UK) Ltd for availability of alternative finishes and to obtain samples.

Frame/ Guides:
Bottom Rail: Steel angle reinforcing rail of adequate size forming an inverted ‘T’.
Side Guides: Cold rolled mild steel channel sections secured to the opening structure by continuous mild steel fixing angles.
Roller Assembly: Mild steel tube fitted with counterbalance high tensile helical springs, mounted on bright steel shafts running in ball races, reduction drive gearing where applicable is by machine cut steel gears or chain drive to suit the size of the opening.
Endplates: Mild steel endplates with mounting angles for fixing to the support structure. On one endplate, steel gears or chain drive are provided, when applicable, to provide drive to the barrel.
Roller Enclosure (optional extra): Galvanised pressed sheet metal to enclose the rear of the shutter barrel and curtain assembly.
Finish as delivered: Primed for painting.
Consult with Northern Doors (UK) Ltd for availability of alternative finishes.

Operation:
Handchain/handwheel operation
Electric operation
Control:
Key switch control unit – flush mounted
Key switch control unit – surface mounted
External weatherproof push button
Key lockable push button control
Group control unit for up to 6 shutters simultaneously
Auto open via internal induction loops with timed close facility
Radio controlled
Safety bottom edge
Safety photo cell beam
Bullet lock interlock box

Ironmongery: Consult with Northern Doors (UK) Ltd for recommendations and details.