Standard Specification

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Curtain:
Rolling Shutters are constructed from 77 mm height flat/75 height curved section continuously interlocked galvanized steel flat section slats, which are held securely in position by end clips. Each slat is injected with polyurethane. The thickness 21mm from outer sheet

End clips
End clips produced from cast iron to secure the slats in position.End clips are fixed on alternate slats to stop the slats moving sideways, which therefore prevents the curtain from lateral movement.

 

Bottom Rail
The bottom rail is fabricated from double steel angle size 40x40x4mm, 50x50x5mm thick... (Its depend on the door size). Bottom bar provide enforcement to bottom of curtain.

Guides:
Produced from 2mm thick steel strip, hot dipped galvanized and cold formed into channel U section
60mm x 30mm, 100mm x 30mm,  (Its depend on the size door).

Axle and Drum (Center Motor):
Axle shall be a steel pipe 60mm or 76mm (its Depend on the size door) to ensure a rigid structure to give a high factor
of operating safety and minimum deflection.

Shaft (Side Motor)
Using barrel 168mm x 5mm, 300mm x 6mm (Its depends on the door size) to give high factor of operating safety and
minimum deflection.

Brackets
Galvanized steel plate of size 400mm x400mm x 4mm thickness is used to make bracket. This bracket holds dangle
along with central motor Made up of 3mm thickness of size 445mm L x 425mm H with two gusset plates. This gives 
ability to the bracket. Also for door bigger than 6 meter the bracket of size 570mm L x 560mm H with thickness of
mm used. This bracket has two gusset plates to give stability. The brackets are of steel with powder coating done
(Side Motor) Brackets are made of mild steel plates, 515x300x3.5mm, 580x320x4mm thick (Its depends on the door size)
these brackets support the drum and curtain assembly which are attached to the inside wall of the building. 
Brackets are factory painted with under primer to protect from corrosion. (Roll Motor).