maximum height: 8000mm
maximum width: 10000mm
note: maximum door dimensions may vary depending on wind loading
and the door’s design features and application, it is
recommended you consult your airport doors representative
for further information.
the series 75 curtain shall be constructed from individual
roll-formed, interlocking steel slats of 75mm profile. the
interlocking slats shall be manufactured from galvanised steel
sections of 0.6mm, 0.8mm of 1.0 mm thick as standard or 1.2mm
thick for special applications. thickness of steel is determined
per application depending on door width and wind loading.
slats are fitted with nylon end clips to stop lateral movement
of the curtain and ensure smooth operation.
wind lock clips: shall be fabricated from malleable iron,
formed to suit specially designed guide channels and can be
riveted to every second or fourth slat as required or specified.
wind locks provide extra protection against strong winds and
are optional except in cyclonic areas, and are recommended
for shutters over 6m width. when specified, deflection of
roller shutter can be reduced by installing the door as high
the curtain shall be fabricated from galvanised material as
standard and can be powdercoated (up to 8000mm width) when
ventilation to the roller shutter curtain can be provided
by either slotted slats or vision air (perforated) slats.
slotted slats - 104mm wide by 19mm high at 150mm intervals.
an airflow of approximately 9% per slat is achieved. intervals
may be shortened, upon request, to allow airflow of up to
approximately 12% per slat.
visionair slats - consist of 1.0mm thick galvanised
perforated material with 2mm perforations.
personal entry and exit
personal entry and exit doors for personal access are available
for applications where the shutter is the only entrance into
the building. they are only recommended for small to medium
width roller shutters over 2700mm in height that are not exposed
to high wind loading. the door may be opened inwards as standard
or outwards where specified. personal entry and exit doors
are fitted with a standard lock using lockwood 201 night latch.
other locks may be available where specified.
standard entry doors open inside and are of 1000mm high by
600mm wide approximately 280mm above floor level.
standard exit doors are opened outward and are 2040mm high
by 1000mm wide fitted approximately 50mm above floor level.
for small to medium sized doors the bottom rail shall be manufactured
from specially extruded, heavy duty aluminium section which
interlocks to the bottom slat. doors over 6.3m in width shall
consist of a steel box section which interlocks to the bottom
hand operated steel roller shutters shall be fitted with two
shootbolts, fitted internally or externally to either end
of the bottom rail. padlocks not supplied by airport doors.
chain operated steel roller shutters shall be fitted with
a steel chain lock. padlocks not supplied by airport doors.
motorised steel roller shutters shall be supplied with a push
button station internally as standard. key switch is optional
and can also be supplied for internal or external use.
centre mullions (optional)
centre door mullions can be used for wide openings and/in
multiple door installations. centre door mullions shall be
manufactured from mild steel plate having a standard width
of 250mm. the mullions shall be supplied either being of a
sliding or fixed type (as selected). the sliding mullion is
manually operated by disengaging top and bottom levels and
sliding to one side of the doorway opening on an overhead
sliding door track, fixed to the underside of the door head
lintel. the fixed type mullion is not removable and is fixed
to the floor and lintel.
roller shutters operate by means of a flexible curtain guided
in steel tracks and revolving on a roller drum. series 75
handoperated shutters are suitable for shutters up to 2200mm
height and 2400mm width. see method
gearing shall be fitted to one end of the roller shutter and
matched to suit door size and weight. chain operation is not
recommended for series 75 roller shutters over 20m².
see industrial operators.
technical installation drawing
(.pdf format, get adobe