KTF Series - Tunnel Axial Fan

1. Over view

KTF Series are axial mixed flow fans designed with high strength material to serve tunnel ventilation application such as Transportation Tunnel, Underground construction, Utility Tunnel, Wind Tunnel, etc.

Fans are provided with non-stall design or anti-stall ring ensures stall-free operation and protect the ventilation fans and upstream/downstream equipment from potential damage.

Truly Reversible (Reversibility of 97-100%) airflow direction is available. 

Air performance ratings are tested and certified by AMCA, in accordance to AMCA210 standard.

High temperature (up to 400°C/2 Hours) in accordance with EN12101-3 certification by TÜV SÜD a third party globally renowned testing and certification organisation.

All impellers are statically and dynamically balanced to ISO1940 and AMCA204 - G2.5 standards.

2. Quick Facts

•  Size from 1250 to 3150

•  Capacity up to 1,620,000 m3/h

•  Static pressure up to 5000 Pa

•  Available in both Uni-Directional and Reversible

•  Suitable for smoke exhaust application 

   (Tested in accordance with EN 12101-3 and satisfied the performance criteria for    

   Class F300, F400, 250°C/2 Hours)

3. Accessories

•  Rectangular Duct Silencer

•  Round Duct Silencer

•  Transition Duct

•  Flexible Duct

•  Damper

4. Construction


Tube casing is produced in high grade carbon steel with thickness 6 mm or more suitable to be used in tunnel / underground environment.


Specially designed aluminium alloy homogenous aerofoil blades with high yield strength cater for high pressure applications and thermal shock in case of fire.

Structural Supports

Fan supports are made of high strength steel to withstand static and dynamic load during fans are operating.


All steel parts are finished by hot dipped galvanized for corrosion resistance and withstand high temperature.

5. Brochure


6. Contact


Phone: 0988230022

Email: [email protected]