The Ecofan® product range consists of both axial and radial fans in all sizes. The selected fan is chosen from literally billions of possible options. Thanks to its modular product structure, Koja’s Ecofan® solution meets the special requirements of even highly challenging applications.
Direct, belt and switch driven fans in all size categories in single and double inlet arrangements.
Flowrate: 0.1…800 m3/s
Pressure increase: up to 45 kPa single stage, up to 65 kPa double stage
Temperature range: >1000°C
Settable blade axial fan range especially for heavy-duty process exhaust applications. Pressure-cast aluminum propeller, acid-proof cast for special cases.
Flowrate: 0.2…60 m3/s
Pressure increase: < 2 kPa
Temperature range: < 90°C
The fans are configured for project-specific requirements
speed control by VFD or aerodynamic control by inlet guide vane
impeller design with different blade types
oil and grease lubricated anti-friction bearing arrangement and types or sliding bearings
impellers with hard facing for abrasive applications or special coatings for extra corrosion resistance
configurations for explosive atmospheres (up to ATEX machine category 2)
gas tight fan construction
The portfolio also covers auxiliary equipment such as
motors and variable frequency drives
conditioning monitoring and safety devices
secondary structures such as ladders, platforms, etc.
oil circulation and conditioning devices
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Koja experts are here to help: processfans(at)koja.fi