Centrifugal Fan Type A Moduflow

The rigid galvanised steel cases fitted to this series of variable discharge fans ensure long lasting durability. Exclusively manufactured by Moduflow this model is suitable for use as an industrial ventilation fan and can be adapted for many other applications. The casing is designed to be fitted with standard spiral ducting & the discharge flange is drilled for rectangular ducting. These variable discharge fans are fitted with external rotor motors & backward curved impellers allowing you accurate control.

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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

Centrifugal Fan Type A Moduflow features

  • Multiple positioning enabling the fan to be top, bottom or side mounted
  • External rotor motor drive offers space saving within a compact design
  • UK Manufactured to high standards
  • Ideal for application where system resistance is high
  • Ideal for handling light dust

Moduflow Type A Fans
The Backward Curved Centrifugal Range of fans consists of 7 duty sizes with a maximum air flow of 4.7 m3/s. The units are manufactured from galvanised sheet steel to BS. 2989. 1982. All units can be mounted top, bottom, horizontal or vertical discharges without having to adjust the fan assembly bolts.

Always handle the units carefully to avoid damage and distortion. Care must be taken to ensure that any slings used for hoisting do not damage the casing.

Fan Installation
Installation must be completed by competent 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 upward vertical or horizontal position and is suitable for internal or external use. Elongated mounting slots are provided on 3 sides of the unit for either bolting directly to the mounting surface or via anti-vibration mounts. 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 are designed for Direct on-line starting. 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 3 phase units check that rotation is correct, if not interchange 2 phases. Equipment should be run for approximately 30 minutes to ensure correct operation. If a fault occurs, switch off. Do NOT restart until fault has been rectified

Electrically isolate before commencing work. Remove motor mounting plate and withdraw impeller assembly. 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 motor mounting plate.

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 3 months after commissioning.


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