Air Filters

Smoke Fan (431) Flakt Woods / As listed in the Appendix to BSRIA
Performance Certificate No. C18421/1, Issue 4 of
29.04.2010, but only limited to those with temperature and
time categories equal to or better than 250 o C and 1 hour /
Circular axial flow fan incorporating inlet and outlet flanges;
fan impeller is of die cast aluminium alloy with a totally
enclosed induction motor of an insulation grade selected to
meet specific performance requirements
Smoke Fan (458) Wolter / a) JFUO and JFRO Series - Impeller diameter
300mm to 355mm, b) AXV Series - Impeller diameter
315mm to 1600mm, c) RVHT Series - Impeller diameter
355mm to 710mm
Smoke Fan (492) Kruger "TDA-F" Smoke Spill Axial Fan for Smoke
Extraction System / Smoke Spill Axial Fan a) TDA 400-F b)
TDA 630-F c) TDA 900-F d) TDA 1400-F Axial fan
comprising aluminium fan blades of manually adjustable
pitch, mild steel or galvanised steel flanged casing and
driven by "kruger" high temperature resistance Class "H"
electric motor
Smoke Fan (494) Witt & Sohn "KWJ" Smoke Spill Axial Fan for Smoke
Extraction System / "Witt & Sohn" Reversible Smoke Spill
Axial Fan a) KWJ 630 (with 7.5 kW, 2P motor) b) KWJ
1120 (with 37kW, 4P motor) Axial fan comprising
aluminium fan blades of manually adjustable pitch,
galvanised mild steel flanged casing and driven by "kruger"
high temperature resistance Class "H" electric motor
Smoke Fan (496) Witt & Sohn "TSS 1800" Smoke Spill Axial Fan for Smoke
Extraction System / Witt & Sohn "TSS 1800" Reversible
Smoke Spill Axial Fan (with 150 kW, 6P motor) / Axial fan
comprising aluminium fan blades of manually adjustable
pitch, galvanised mild steel casing driven by "Kruger" high
temperature Class 'H' electric motor
VENTILATION DIVISION OF FIRE SERVICES DEPARTMENT
LIST OF ACCEPTED MATERIALS FOR USE IN VENTILATION / FIRE SERVICE RELATED SYSTEMS
The Flakt Woods Group, U.K. 11/5/2010 April 2013 The family of "JM Aerofoil HT" Series
fans shall bear an appropriate
identification mark for the identification
of time / temperature categories.
Walter GmbH Maschinen-und
Apparatebau KG, Germany
Kruger Ventilation Industries Pte.
Limited, Singapore
Kruger Witt Asia Industries Pte.
Limited, Singapore
Kruger Witt Asia Industries Pte.
Limited, Singapore
24/8/2010 August 2015 a) Valid "EC - Certificate of
Conformity" shall be maintained for the
fan models, b) A valid certificate for
quality management system shall be
maintained.
1/2/2011 February 2015 The fans shall bear appropriate labels
for the identification of time /
temperature categories.
2/2/2011 February 2015 The fans shall bear appropriate labels
for the identification of time /
temperature categories.
14/2/2011 February 2015 The fans shall bear appropriate labels
for the identification of time /
temperature categories.
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