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Specifications :- Roller Shutters.
Curtains - interlocking 3" curly laths with pressed steel end shoes.
Laths - 75mm deep 22 swg thick in either hot dipped galvanised steel to BS 2989 or 'Plastisol' colour coated in a choice of colours.
Barrel - large diameter thick wall steel circular hollow section, housing best quality helical torsion springs to counterbalance the shutter curtain.
Steel end plates and brackets are bolted to the building structure to support the barrel.
Guide Tracks - deep channel section and support angle are formed from heavy gauge steel.
Operation :-
Mechanical - by endless hand chain through roller chain and machine cut steel gear wheels.
Electrical - by 3 way push button control unit marked 'OPEN' - 'CLOSE' - 'STOP' .
Power Unit - 1.0 h.p. flange mounted 32 rpm geared motor with brake, 220 - 240/380 - 440v 3-phase 50 hertz or 240v -1- phase 50 hertz. The brake can be released to provide manual operation by chain wheel in the event of power failure.
Optional Extras :-
Wicket Door - size 600 wide x 1640 high, opens inwards.
Hood - galvanised steel. Covers curtain roll.
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Mechanical:- (Hand Chain)
Max door area 30 sq metres
| WIDTH |
A |
B |
HEIGHT |
C |
D |
| Up to 4000 |
155 |
155 |
500 |
407 |
407 |
| 4000 to 6000 |
180 |
180 |
5000 |
407 |
407 |
Add 50 to dimension D if Hood is required.
 |
|
Electrical:-
Max door area 30 sq metres
| WIDTH |
A |
B |
HEIGHT |
C |
D |
E |
| Up to 4000 |
155 |
380 |
5000 |
407 |
407 |
540 |
| 4000 to 6000 |
180 |
406 |
5000 |
407 |
407 |
540 |
Add 50 to dimension D if Hood is required. |
- NOTES:
- 1. Wicket doors are fitted internally only, additional side clearances is not required.
2. The position of the Electric drive unit can be varied to suit site conditions.
BI-Fold Rolfe reserve the right to alter Specifications to design and manufacture
without notification. All Specifications are correct at time of website publication.
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