2 and 4-hour Steel Fire Shutter: In-Line Motor
Robust access door for use in fire rated walls with electric operations. Specific
applications include shop fronts, shopping malls, warehouses, factories, distribution
& transport facilities, security applications, stadiums, garages, storage, plant rooms,
hospitals, schools, institutions, Council facilities and sports grounds.
Testing & Certification
Fire tests have been performed in accordance with BS 476: Part 22 and are documented
in report references WARRES No. 61083 and WF No. 182970. WarringtonFire WF Assessment
Report 181246 Issue 2 provides for modifications for fire shutters to be capable of
satisfying the integrity performance criterion for fire resistance for a period of
120 or 240 minutes.
- Curtain - Generally constructed using 75 x 0.9 mm interlocking laths in
galvanised steel roll formed in house. Lath thickness does depending on Opening
Size in accordance with Bodycote (Warrington Fire) WF Assessment Report No. 181246
Issue 2. The laths are retained in position using cast iron end locks fitted with
galvanised steel rivets. Refer 'Steel Lath' drawing details.
- Bottom Rail - Rigid inverted 'T' section in galvanised steel sections. Refer
'Architectural Steel Bottom Rail' drawings for details.
- Side Guides and Angles - Side Guides are fabricated from galvanised steel
channel roll formed in house and complete with splayed tops. Side Guides size depends
on width of the opening and options 65 x 32 x 3.0 mm and 75 x 32 x 3.0 mm. The Side
Guides are bolted to 75 x 50 x 5 mm fixing angles or alternatively to fixing angles
of size and thickness to suit the shutter and application. Refer 'Architectural Steel
Side Guide' drawing details for options.
- Roller Drum - Fabricated from mild steel or galvanised tube of appropriate outside
diameter and thickness engineered to suit the size and application of the roller
shutter and in accordance with Bodycote (Warrington Fire) WF Assessment Report
No. 181246 Issue 2. The assembly incorporates helical torsion springs engineered
to counter balance the Curtain, fixed to cast steel roller blocks and a mild steel axle.
- Bracket Plates - Fabricated from mild or galvanised steel in thickness and size
to suit the application and in accordance with Bodycote (Warrington Fire) WF Assessment
Report No. 181246 Issue 2. The Bracket Plates are mounted to the Fixing Angles. The
Bracket Plates are provided with fixing lugs for a Hood.
- Operation - Motor drive selection is based on torque required to lift the Curtain
during its operating cycle. Automatic descent under fire conditions activated by fusible
link at 68 degrees C. The gearbox contains a controlled descent mechanism and a brake
release cord to close the shutter in the event of a power failure. A solenoid release
mechanism is available which provides a manual test and automatic reset facility and
can be connected to a fire alarm system (by others). Motors are 415 V and can be
activated through a variety of control devices to suit application or customer
preference. Refer 'Electrical Control Options' page. Motors require three phase
power plus neutral. Control circuit is 240 V.
- Door Locking - Is not recommended for electrically operated roller shutters.
- Finishes - Galvanised steel items are left in raw form. Powder Coating in
standard available colours is an optional extra and is applied using our in house
powder coat line. Laths with Plastisol finish are available as an option.
- Hoods / Fascias - Hoods are manufactured in house from 20 swg (0.9 mm) galvanised
steel sheet. Fascias cannot be provided with Fire Shutters. Refer 'Hoods' drawing
- Weight - Approx 40 kg/m2
Technical drawings of this product are listed below in PDF format. You will need the free
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