Engineering solutions for emissions control
Reduce pollutant emissions with our innovative products and solutions
Know moreProducts and solutions
Centrifugal fans
We have the most suitable ventilation systems for all types of applications, tailoring to your needs.
Description
Fivemasa has extensive experience in the construction of centrifugal fans, many of which are used in our own facilities to filter contaminants from various industrial processes, and others are specifically designed for each specific sector.
These special requirements for special fans vary, and they may include things like: high temperature resistance, anti-wear and corrosion treatments, minimal dust deposits, etc. Others require complete gas tightness, while others require more compact constructions with higher peripheral speeds and quieter operation.
Types of drive
DIRECT drive. This is the simplest “M-type” design in which the rotor hangs from the motor shaft.
Drive with “K-type” elastic COUPLING. In this design, the impeller is at one end or between bearings on a shaft. The bearings and the drive motor are mounted on a common base.
VR fans are robust and compact. They feature welded construction and are sufficiently reinforced. All its components are amply dimensioned, allowing for safe and long-lasting operation.
All moving parts are protected by removable safety grilles.
Rotation direction
The rotation direction and discharge angle of VR fans are determined by looking at them from the drive side.
Drive with PULLEYS AND BELTS. When the impeller speed does not match the motor speed, it can be adjusted to the design speed using pulleys and belts, and the fan speed can be changed simply by changing the pulleys.
The “R” type has the particularity that the motor is located on the inclined part of the base and powers of up to 45KW are used.
Type “RG” is used for powers greater than 45KW and operating temperatures > 80ºC.

Success stories
They have already taken the step. Now it's your turn

Viseu Portugal
- Flue Gas Flow
- 94.137 Nm3/h
- Gas Temperature
- 142ºC
- Application
- Biomasa
- Operating Data
- Dust

ARC International France
- Flue Gas Flow
- 20,000 Nm3/h
- Gas Temperature
- 400ºC
- Application
- Glass
- Operating Data
- Dust, SO2, NOx, HF

Ferroven Venezuela
- Flue Gas Flow
- 320,000 Am3/h
- Gas Temperature
- 220ºC
- Application
- Non-ferrous casting
- Operating Data
- Dust

Cepsa Spain
- Flue Gas Flow
- 17.000Nm3/h
- Gas Temperature
- 290ºC
- Application
- Petrochemistry
- Operating Data
- Dust, NOx, SO2, HCL, dioxins

Strasbourg France
- Solution
- FIVECERAMIC, reactor, storage system and convey of hydrated lime, Filter ash storage silo, ash transport system, Centrifugal fan and motor and SCR.
- Flue Gas Flow
- 47.510 Nm3/h
- Gas Temperature
- 400ºC
- Application
- Papper manufacturing
- Emission Reduction
- Particles, SO2, NOX

Huelva Spain
- Solution
- FIVEPULSE
- Flue Gas Flow
- 545.000 Am3/h
- Gas Temperature
- 70ºC
- Application
- Copper casting
- Emission Reduction
- Particles, SO2

Galicia Spain
- Solution
- VIA HUMEDA. VENTURI
- Flue Gas Flow
- 19.000 Am3/h
- Gas Temperature
- 90ºC
- Application
- Silico-ferro manganese manufacturing
- Emission Reduction
- Particles

Basque Country Spain
- Solution
- RTO
- Flue Gas Flow
- 90.000 nm3/h
- Gas Temperature
- 130ºC
- Application
- Copper recycling
- Emission Reduction
- VOC’S, CO

Navia Spain
- Solution
- SNCR
- Flue Gas Flow
- 235.000 Nm3/h
- Application
- BIOMASS
- Emission Reduction
- NOx

Mérida Spain
- Solution
- SNCR
- Flue Gas Flow
- 125.900 Nm3/h
- Application
- BIOMASS
- Emission Reduction
- NOx

Navarre Spain
- Solution
- FIVEPULSE
- Flue Gas Flow
- 230.000 Nm3/h
- Gas Temperature
- 130ºC
- Application
- Graphite electrode production
- Emission Reduction
- Particles

Ciudad Real Spain
- Solution
- Cyclone pre-separator, bag filter, lime storage and injection sistema, ash trasnport and storage silo, centrifugal fan.
- Flue Gas Flow
- 180.000 Nm3/h
- Gas Temperature
- 150ºC
- Application
- BIOMASS
- Emission Reduction
- Particles, Sox, HCL

Huelva Spain
- Solution
- Cyclone pre-separator, bag filter, lime storage and injection sistema, ash transport and storage silo, centrifugal fan.
- Flue Gas Flow
- 180.000 Nm3/h
- Gas Temperature
- 150ºC
- Application
- BIOMASS
- Emission Reduction
- Particles, Sox, HCL