| STANDARD SPECIFICATION Curtain
Shutter
curtains are constructed from 100mm high flat section continuously
interlocked galvanised steel laths which are
ribbed for additional and securely held in place by end locks.
Each lath is infilled by suitable insulating material and
bottom rails are made from galvanised steel formed from single
or double angles. Guides
Vertical guides are formed from
rolled steel into a double rebate, are fitted with twin full-height
brush seals and
are supplied with suitable angles for fixing to the structure. Endplates
Prime painted mild steel of
appropriate thickness relative to door size and supplied
with angles for fixing to the structure. Barrel
The barrel is constructed from
seamless steel tube of adequate diameter to resist deflection
and held in bearings or cups
attached to the endplates. Finish
Generally galvanised with non-galvanised parts prime painted.
OPERATION Electrical
Operation
All shutters are operated by a 415 volt 3 phase
geared motor mounted on one endplate. Adjustable limit
switches
are incorporated to stop the shutter at the end of each
travel. Standard controls are open/close/stop buttons with other
options available.
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