Fans CYBIF Moduflow

Pre-galvanised sheet steel is also used for the construction of Moduflow’s cylindrical inline axial flow bifurcated fans. Similar to the square model, the cylindrical bifurcated axial fan has predrilled inlet and outlet flanges.

The enclosed fan cooled motor is protected to a level of IP55. This cylindrical bifurcated axial flow fan features B3 foot mounting and class F insulation. Injection moulded glass reinforced polypropylene or glass is used to produce the axial fans’ impeller blades.

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Symbol Moduflow Fan Systems
Profile: Manufacturer, Designer
Headquarters: GB
Establishment date: 1979
Business area: UK & Europe
Assortment: Fans
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Product descritipion

Cylindrical Inline Axial Flow Bifurcated Fans CYBIF features

  • Nine models to choose from
  • Heavy gauge galvanised steel construction for external and internal use
  • Suitable for wide range of applications
  • Suitable for use at high temperatures
  • Motor out of airstream to handle greasy and high temperature fumes

The Cylindrical bifurcated axial flow range of fans consists of 9 duty sizes with a maximum air flow of 17.5 m3/s. The units are manufactured from galvanised sheet steel to BS. 2989. 1982. All units are suitable for internal and external applications at any installed angle.

Always handle the units carefully to avoid damage and distortion. Caremust be taken to ensure that any slings used for hoisting do not damage the casing or fan impeller.

Fan installation
Installation must be completed by competant persons, in accordance with good industry practice and should conform to all governing and statutory bodies i.e. IEE, CIBSE, COHSE etc. The unit can be installed at any angle and is suitable for internal or external use. Ensure that the air flows over the impeller before the motor. The unit is flanged at both ends and can be connected to the system by either bolting directly to the ducting or via flexible connections [optional extra]. Optional mounting feet and anti vibration mounts are available. The method chosen is the responsibility of the installer.

Check that the fan details on the rating plate correspond with the supply voltage and frequency.Motors up to 4.0 Kw are designed for Direct on Line starting. Motors 5.5kw and above should be star/delta started. Motor overloads should be set to the full load current on the fan rating label. Supply fuses should be H.R.C. type.

Start-up procedure
The single phase rotational direction is set at works and should NOT be altered. For three phase units check that rotation is correct, if not interchange two phases. [Refer to rotation arrows on outside of fan case]. Equipment should be run for approximately 30 minutes to ensure correct operation. If a fault occures, switch off. DO NOT restart until fault has been rectified


Electrically isolate before commencing work. Remove fan unit from system. Carefully clean rotating parts and check for damage and security of components. The motor is fitted with sealed for life bearings and does not require any further lubrication. Refit fan unit into system.

One year Warranty
The 1 year warranty starts from the day of delivery and includes parts and labour for the first year. This warranty is conditional on maintenance being carried out at the end of the first 3 month period

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