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 Features
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- The EA/AF Series of duct mounted adjustable pitch axial flow fans is available in the following variants: -
- EA/AF Series - direct-drive
- LCS Series - direct drive smoke spill
- APB Series - belt-drive
- BFA Series - bifurcated, direct-drive
- Suitable for a wide range of applications, ranging from handling ambient filtered air to hot, toxic and noxious gases.
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 Construction
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- The casings are of mild steel, hot dip galvanised after manufacture.
- Impeller blades shall be pressure die-cast aluminium or injection-moulded glass-reinforced plastic.
- Anti-static blades for hazardous applications up to 1400mm diameter, are also available.
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 Motors
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- Type - squirrel cage induction motor which can be selected to suit virtually any specification.
- Electricity supply - single or three-phase to suit a wide range of voltages and frequencies.
- Bearings - ball.
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Testing
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- Air flow testing:-
- 315-1000mm diameter - BS 848 : Part 1, 1980
- 1250-2000mm diameter - ISO 5801 : 1997
- Noise testing all sizes to BS 848 : Part 2, 1985
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Smoke Spill Applications
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- LCS Series fans have been independently tested to the new exacting EN 12101-3:2002 standard, which ensures customer confidence that LCS series fans shall operate in emergency situations without failing.
- In addition, LCS series fans are tested to ISO 5801:1997 (Airside performance) and BS 848 Part 2:1985 (Sound Performance).
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Hazardous fume applications
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- EA/AF Series fans can be made to accommodate requirements for corrosive fume and explosion risk applications.
- Special coatings and alternative materials, such as stainless steel, are available as well as increased safety motors and anti-static impellers.
- Our sales engineers can assist with requirements, which must be specified at time of quotation.
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 Suggested Specifications
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- The axial fans shall be of the EA/AF/LCS/APB/BFA design(s) as manufactured by AMS.
- All performances shall be based upon BS848 : Part 1, 1980 or ISO5801:1997 and BS848:Part 2, 1985.
- Casings shall be hot dip galvanised mild steel.
- Impellers shall be of plastic, or aluminium; GRP is standard where selection permits.
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 Performance
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- The quick selection curves on these pages are designed to assist users to determine the fan diameter, speed, approximate noise level and dimensions of the fan to meet the specified duty.
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Model Numbers
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- EA/AF - direct-driven; 315 to 2000mm diameter
- LCS - direct-driven; 315 to 2000mm diameter
- APB - belt driven; 400 to 2000mm diameter
- BFA - bifurcated; 400 to 1250mm diameter
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 Ancillaries
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 AUTO CAD
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Pdf
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