Multiflow SEL

Mixed Flow Inline Fan

  • 8 standard sizes from 250mm to 710mm
  • Air volume flow rates up to 5.67 m3/s (AC)
  • Static pressures up to 1290 Pa (AC) / 1400 Pa (EC)
  • Suitable for operating temperatures up to +80°C
  • Available in AC & EC
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The Multiflow SEL is a duct mounted mixed flow fan incorporating state of the art impeller and guide vane design to provide very high performance and efficiency.

Features and Benefits

Intelligent Design

3D stator guide vanes are used to recover dynamic pressure loss which results in turbulent pressure being turned into useful pressure. This is coupled with optimum tip clearance between the impeller and case to maximise flow rate creating improved efficiencies.

Easy Installation

Fans are supplied with an integral IP44 terminal box. An integral mounting bracket allows quick installation.

Space Saving

Outstanding design allows for smaller diameter units to be utilised whilst still achieving the same required airflow. The range is perfect for projects where space is at a premium through the use of smaller ducting, reducing overall system costs.

Efficient Performance

The high efficiency diagonal mixed flow impeller delivers maximum efficiency and operational performance offering a significant reduction in the running costs against a comparable centrifugal fan.

Weather Resistance

Weatherproofed to IPX4.


Each SEL has a 12 month warranty.



Manufactured from all-weather galvanised steel, heat resistant plastic or seawater resistant aluminium (sizes over 400mm), IPX4 and suitable for mounting at any angle. An integral mounting bracket shall be fitted as standard.


AC single phase units are suitable for transformer control with operating temperatures between -25°C to +80°C (model dependent).


High efficiency diagonal mixed flow impeller with three dimensional guide vanes delivers maximum efficiency and operational performance.

Quality Management

Units are to be designed and manufactured with procedures as defined in BS EN ISO 9001. All Multiflow SEL units are to be tested to ISO 5801 (airside performance) and EN 150 3741:2011-01 (sound performance).

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