Cylindrical casing is produced in mild steel or galvanized steel mounted on a horizontal square base. The rainhood is made of fiberglass for protection against adverse weather conditions. The impeller having manually adjustable pitch blades is made of PPG, PAG or pressure-casted aluminium. Totally enclosed Class ‘F’ motor, with a min. IP54 protection is fitted as standard. Standard motor up to 2.2kW are usually supplied on DOL starting, motor 3.0kW and above are star/delta starting.
Tunnel Ventilation fans for air movement in tunnels.
Permenant as well as temporay ventilation.
Normal mode as well as fire mode (smoke & Hot air exhaust)
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.
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)
Rectangular Duct Silencer
Round Duct Silencer
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.
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.