Multiflow SEM

Mixed Flow Inline Fan

  • Standard size 200mm
  • Air volume flow rates up to 0.341 m3/s
  • Static pressures up to 355 Pa
  • Suitable for operating temperatures up to +50°C
  • Available in AC


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Compatible Accessories


A compact 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

The use of 3D stator guide vanes to recover dynamic pressure loss which results in turbulent pressure being turned into useful pressure, coupled with optimum tip clearance between impeller and case to maximise flow rate creates an improved efficiency.

Low Noise

The innovative mixed flow impeller provides lower noise levels than can be achieved with comparative centrifugal fans.

Easy Installation

Fans are supplied with an integral IP44 terminal box, the rotatable fan body allows the fan to be positioned conveniently to incoming electrical inputs. Mounting bracket can be installed with fan body removed for quick installation.

Efficient Performance

Impellers deliver maximum efficiency and operational performance offering a significant reduction in the running costs against a comparable centrifugal fan.

Weather Resistance

Weatherproofed to IPX4.


Each SEM has a 12 month warranty.



Casings shall be manufactured from Shockproof, heat resistant plastic providing a long lasting, robust, non-corrosive construction. The centre body shall be removable to aid installation and rotatable for convenient positioning to aid electrical installation


Three speed AC induction motor with an in-built thermostatic switch suitable for operating temperatures between -25°C to +60°C (model dependent).


High efficiency diagonal mixed flow impeller with three dimensional guide vanes delivers maximum efficiency and operational performance. 3D Stator guide vanes shall be integrated to recover dynamic pressure loss.

Quality Management

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

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