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Heavy-duty Aluminium Roller Shutters

GLIDEROL Heavy Duty Aluminum Roller Shutters are available in three curtain designs:-

• Panorama Plain - 100 x 1.6mm or 2.0mm thick extruded aluminum interlocking slats
• Panorama Ventilated - slats punched with 250mm x 50mm slots spaced at 50mm apart. For use where ventilation is required, or to achieve a lattice grille effect.
• Panorama Vision - Similar to Panorama Ventilated but with a clear acrylic or polycarbonate insert to achieve the classy 'glazed' effect.

All 3 types of slats can be mixed and matched to form a shutter curtain. They are available in Powder Coated, Pvf2 Coated or just mill finish. Doors up to 6.0m wide can also have slats in natural anodized finish.

Technical Data

Drum Assembly

The barrel assembly consists of an extremely rigid steel tube sheathed over a pair of drive shaft assemblies fitted to heavy duty bearing sets and supported at both ends by steel head plates. The drive shaft is a solid polished-steel round bar incorporating key ways to accept the drive sprocket. Corresponding to the size of the shutter, the head plates are either 6mm or 8mm thick with shafts of either 38mm or 50mm diameter.

Door Curtain

Material

The door curtain is made up of sturdily designed extruded aluminum flat-faced interlocking slats, 100mm high x 1.6mm or 2.0mm thick. These slats are also available with ventilation slots, with or without clear acrylic or polycarbonate inserts.

End Clips

Nylon end clips are secured to alternate slats to prevent lateral movements.

Wind-lock Clips

Where specified for external doors, steel wind-lock clips may be provided at about 4-slat intervals to improve the wind load capability of the shutter.

Bottom rail

The bottom rail is a single length inverted 'T' double-walled extruded aluminum profile of overall 20mm thick, with the base containing a slot to retain the bottom seal.

Bottom Seal

The bottom rail is fitted with a finned PVC bottom seal that will seal against the floor when the door is fully closed. An astragal tube weather seal is available as an option where a safety edge or tighter weather sealing is required.

Safety Edge

A pneumatic bottom safety edge is available as an option. This consists of a pneumatic switch fitted to the bottom rail, connected to the astragal weather seal and wired to the motor controls. Both ends of the weather seal is capped, such that it forms an air tube. Whenever, the closing door is obstructed, the astragal tube will be compressed, forcing out a tiny gust of air to activate the pneumatic switch. The switch will in turn activate the motor operator to instantly stop the downward travel of the shutter.

Door Guides

The guides shall be a heavy-duty extruded aluminum guide channel of overall size 90mm x 100 mm deep. It has a built-in cavity to accommodate and conceal the cable chain of the safety edge system, thus eliminating the need for an exposed trailing spiral cable that may pose a safety hazard. Rubber seals are fitted to the lips of the guides to prevent metal-to-metal contact, thus ensuring a smooth and quiet operation. It also features a removable guide cover to facilitate easy maintenance.

Door Operation

Motor Drive

The drive unit consists of a suitably-sized linear drive motor operator mounted parallel to and behind the door roll. It has an integrated gearbox and a chain-operated sheave wheel for manual operation in case of power failure. The control box is lockable, housing a set of push buttons for 'Up', 'Down' and 'Stop' operations. The door travel shall automatically stop at the desired upper and lower limits via adjustable limit switches.

For shutters without a safety edge, the 'Down' button shall require the operator to push and hold when closing the shutter. This is to ensure the closing operation is being supervised. Upon sighting an obstruction, the operator will automatically release the button by reflex. This will instantly stop the downward travel of the shutter and prevent accidents.

Power supply shall be either Single Phase 230V x 15amp or a 3 Phase 415V x 20amp, depending on the size of the shutter.