Model 5650 @ Bullock Mfg Pty Ltd

The Bullock Model 5650 Drop lock type Fire Damper has led the market place in small damper technology for many years. It's light-weight construction and superior closing ability has made it the leading fire damper on the market.
Complying with AS1682.1-1990 and AS1668.1-1998, the model 5650 is tested and certified for a four hour rating in a masonry wall or concrete slab, 2 hour rating in a steel stud plasterboard partition and a 3x16mm plasterboard partition - all without the need for support rods or lintel beams.
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Australian certified to AS1682.1 - 1990 by the CSIRO in:
    a) Masonry walls for 4 hours. Test #- FSP-0145, FSP-0146
    b) Concrete slabs for 4 hours. Test #- FSP-0505.
    c) Steel Stud Plasterboard partition for 2 hours. Test #- FSV-0100.
    d) Non-loadbearing vent shaft partition (48mm) for 2 hours. Test #- FSV-0538.
Optional Airflow tested by the CSIRO for blade closure in Excess of 8m/s.
Test#- FS2946/1558 [See Detail]
Single Hand Reset from either side.
Approved UL33 fusible link (165^oF - 74^oF) in a closed hook for easy replacement (no tools)
Light-weight construction without welding ensures the integrity of the damper's galvanized coating.
Recessed angle design permits a raw edge easy duct attachment, with breakaway characteristics (No fastening screws required)
Optional TDF/TDC flanges can be supplied to match 25mm or 35mm ductwork.
Double action 301 stainless steel spring with blade dimples provide positive low-leakage shut off.
Has a low leakage rate of only 20% PERMISSIBLE AIR LEAKAGE as per AS1682.1-1990. [See Detail]
Optional factory set 10mm Metal Expansion Gap Seals are available at the time of ordering, ensuring AS1682.2-1990 Section 5.2 is complied with. [See Detail]
Side blade closure dampers available for specific building applications.
Duct to Duct (D) and Duct to Grille (GS) configurations in sizes 100mm x 100mm up 400mm x 250mm available at short notice.

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The body style 'GS' is the same outside dimensions as Style 'D'. Grilles or Registers will need to fit in a clear opening 10mm less than nominal size.
(Example: Nominal 200 x 200 will have a clear opening 190 x 190)
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C.S.I.R.O testing shows that the 5650 fire damper blade closes at the following (Test#-FSZ-0522)
	Size 150 x 150	=	11.0 m/s*
	Size 200 x 200	=	18.0 m/s*
	Size 250 x 250	=	19.0 m/s*
	Size 400 x 250	=	16.5.0 m/s (Double Spring)*
	Size 400 x 250	=	10.0 m/s (Single Spring)
	* Maximum speed at which Bullock test Blower was capable of as per Damper Size

This model requires little maintenance once installed. Refer to AS1851.6-1997 for detailed servicing procedures.

UL33 Fusible Link

Optional TDF/TDC Flange Connections

Optional metal seals allow damper to be installed insitu with a controlled 10mm expansion gap. (AS1682.2-1990) (Australian patent#624288)

No Installation costs.
No hazardous fibers.
Factory set 10mm gap.

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Specifications subject to change without notice.


	Permissible Air Flow - in accordance with AS1682.1-1990.5 Bullock 5650F Fire damper measured Air Flow, (Test#323) (Damper Size 400 x 250)