| Curtain
The curtain shall be constructed using 12mm diameter tube
of 1.2mm thick aluminium. The tubes are spaced at 50mm centres
in height and fitted with molded hi-density polyethylene notched
section link hinged links at 210mm centres to form a brick
type pattern design. Tapered bottom rails can be manufactured
to suit the opening (limitations may apply). Reverse roll
installations are possible and will not affect the appearance
of the Roller Grille curtain.
Finish
All aluminium sections can be natural anodised as standard.
Various anodising and powdercoat colours are also available
when specified. Polyethylene hinge links are available in
selected colours only, consult Airport Doors for current colour
availability.
Bottom Rail
The bottom rail shall be specially extruded section 2mm thick
measuring 123mm in height. It shall have access incorporated
into the body of the rail to house a concealed locking system.
Provision is available for bottom seals as an option.
Locking
Locking shall entail a centrally mounted, concealed key operated
“lock focus” security type lock mechanism. It
shall be keyed on the outside or inside (or both sides) fitted
onto the bottom rail of the Roller Grille. In special cases
the lock can be fitted into the midlocking rail to facilitate
with waist height lock system.
Master Key Locking System (Optional)
is available using either:
Lockwood 570; NOTE: The barrel protrudes out by approximately
25mm therefore considerations should be taken to avoid damage.
Lock Focus V9C4; with spin cylinder and sleek appearance with
lock protruding only 14mm.
Shootbolt System: Shootbolt system
mechanism is also available as an option, which is not concealed
as standard locks. Padlocks not supplied by Airport Doors.
Centre Mullions (Optional)
Centre door mullions can be used for wide openings and multiple
door installations. Standard centre mullions shall be extruded
aluminium of 125mm width and 30mm depth. The mullions shall
always be incorporated with mullion head which is positioned
above the mullion. The mullion shall be a lift-out type, fitted
with shootbolts locking at the bottom of the mullion. In case
of “fixed mullions” the mullion and the head are
a single unit and not removable.
Corner Mullions (Optional)
Corner mullions can be used when two grilles meet at a corner.
The mullion shall be manufactured from aluminium sheets formed
to suit the angle and size as required. The width of the angular
corner mullions can be minimised if the drums are vertically
staged when installed.
Operation
Aluminium Security Roller Grilles operate by revolving on
a roller drum. Aluminium Security Roller Grilles are designed
for hand operation as standard. Chain operation and motorisation
are available as options, depending on application (limitations
may apply). See Method of Operation.
Motorisation
See Industrial Operators.
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Light
and easy to operate