Bifurcated Fan

Bifurcated Fan

Impellers
Cast in aluminium silicon alloy and with a fixed-pitch aerofoil section blade. This ensures strength, reliability and performance at high temperature.
Motors
All motors are totally enclosed fan cooled, class F insulation with motor protection to IP55. All motors are supplied with sealed for life bearings. For higher temperatures please enquire.

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Features:

  • 152 - 305 mm diameter
  • V 3 3 olume up to 3,420 m /h (0.95 m /s)
  • Static pressures up to 380 Pa
  • Suitable for temperatures up to 200°C
  • Series 33 is cost effective solution to Bifurcated applications
  • Motor protection Ip55

Casings
Bifurcated fans are available long case only. Long casing covers impeller and motor and has duct mounted terminal box. The hot dipped galvanized casing gives a high resistance to corrosion. Motor is mounted inside a tunnel, so is ‘out of air stream’. Only for use at 100ºC or above, which makes it exempt from ErP legislation. If the temperature of airflow within a bifurcated fan system is above ambient, FWL recommend that the fan is allowed to overrun so that any excessive heat is removed from the system. Failure to do this could mean that heat will transfer via the shaft/casing to the motor tunnel, which could cause degradation of the grease and. lead to premature failure.

Electrical Supply

  • 220-240V/50Hz/1
  • 380-420V/50Hz/3 Temperature Range
  • Suitable for temperatures between 100°C and 200°C (continuous operation)

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To make complete and accurate fan selections make use of HUMIDIN comprehensive and user-friendly selection program. By simply specifying your performance requirements, selection program will be able to provide you with instant access to fan performance curves, sound data, efficiency, speed, motor capacity, drawings and much more, all at the click of a mouse.

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