Multiflow SMT
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The Multiflow SMT is a range of in-line mixed flow fans with a compact profile which offers excellent pressure development characteristics, designed specifically for use with rigid or flexible ductwork for a wide variety of residential and commercial applications.

Features & Benefits


Learn more about individual features and benefits of our products.



The Multiflow range of plate mounted axial fans as manufactured by Elta Fans Ltd.

Technical information


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Get the full brochure, wiring diagrams and operation and maintenance instructions.

SPP Features and Benefits

Features & Benefits


SMT fans are IPX4 Splash proof, protected against water splashing from all directions which means they can be safely installed in Zones I and II in accordance with Building Regulations.

Design appeal

The compact design means the SMT is ideal where space is at a premium such as ceiling voids and refurbishment projects.

Motor protection

Each SMT motor is double insulated so no earth is required with integral thermal overload protection which prevents the motor from overheating.

Installer friendly simplicity.

SMT fans can be mounted in line or at either end of the ductwork, horizontally or vertically, as well as against walls, ceiling voids and other flat surfaces.


There are four sizes, 100mm, 125mm, 150mm and 200mm which can be supplied with or without a run on timer and suitable for continuous running.


Available in all models as a two speed unit from a remote switch to give the installer a range of adjustment if duties are under or over achieving.

Easy to maintain

All SMT models feature a removable motor and impeller body which ensures easier cleaning without affecting the installation by having to remove the ductwork.

SPP Specifications


The Multiflow SMT range of in-line mixed flow fans as manufactured by Elta Fans Ltd. 46 Third Avenue, Pensnett Trading Estate, Kingswinford, West Midlands, DY6 7US, UK. Tel: +44 (0) 1384 275800 - If you need more information - Contact us.


The all plastic casing provides a long lasting, robust and non-corrosive construction. The units have been constructed from shockproof, heat resistant white plastic, with both motors and impellers mounted within the length of the unit casing. All units are IPX4 protection and are splash proof as required by current regulations.


Motors are to be double insulated with in-built thermal overload protection, with sealed for life bearings, suitable for operating temperatures up to +60°C. Motors are to be wired to a terminal box mounted on the outside of the unit casing.


Mixed flow impellers shall be provided with fixed blade angles to meet the required duty. The impeller construction shall comprise of white plastic. Motors and impellers are balanced to ISO 14694 Grade G6.3.

Quality Management

Units are to be designed and manufactured with procedures as defined in BS EN ISO 9001:2008. All SMT units are to be tested to ISO 5801:2007 (airside performance) and BS 848 Part 2:1985 (sound performance).

Typical Applications

  • Shower Rooms
  • Bathrooms
  • Kitchens
  • Utility Rooms
  • Residential and Commercial
  • Flexible Connectors (018)

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  • Panel Filters (018)

    Filter access with removable panel

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Accessories & Wiring Data