Centrifugal fans

The RFC / RFE radial low-pressure and medium-pressure fans are designed for industrial premises. The RFC / RFE are single inlet fans with direct drive by an electric motor with IP55 rating. The transported air temperature can be from -30 to 85 °C, but the ambient temperature must be from -30 to 40 °C due to the electric motor.

The CBB / CBT / CSB / CST radial fans are suitable for special applications, for very long air ducts in various technological and HVAC applications. The fan housing is cast from Al alloy and coated with epoxy paint. The impeller is also cast from Al alloy. The CBB / CBT / CSB / CST fans are designed to transport air up to 70 °C or 80 / 120 °C depending on the model type.

The KBR centrifugal kitchen fans are designed primarily for kitchen ventilation. The KBR fans are equipped with impellers with backward curved blades made of aluminum (KBR) galvanized sheet steel (KBR EC) and a motor located outside the air flow. The doubleskinned fan casing is made of galvanized steel sheet with thermal and noise insulation consisting of a 50 mm mineral wool layer.

The KBR fans are equipped with a swing-out door for easier maintenance and cleaning. The opening direction of the door from left to right can be easily changed at the installation site. The built-in tray in the spiral box prevents condensate from leaking out. Base frames with rubber silencers to prevent the transmission of vibrations are included in the delivery. The fans can be used in operations with a medium temperature of 120 °C. The KBR fans together with the weather roofs can also be used for outdoor applications.

The KBT kitchen radial fans are designed primarily for the extraction of polluted air from kitchens with a maximum temperature of up to 120 °C. The advantage of the KBT fans is the very low noise guaranteed by the double-skinned housing with thermal and noise 50 mm insulation and the motor located outside the air flow. The fans are equipped with an access door for better maintenance and service. The fan includes mounting brackets with silent blocks, a motor weather protection and a set for condensate drainage. Thanks to these accessories, the KBT fans can be installed directly outdoors.

RG are centrifugal fans designed for cooling, air conditioning and ventilation systems. The RG fans with double-sided suction are equipped with an impeller with forward curved blades, which is located in an optimized spiral chamber. The powerful RG fans have an EC motor with optimised ECblue technology with integrated controller. The fans achieve high performance at low noise levels due to the large number of blades. They achieve air flow rates of up to 9000 m³/h. The fan housing is equipped with a removable flange and fixing angle.

MUB are noise-insulated centrifugal fans with 3D profiled impellers designed for installation in square or circular ducts. When fitted with CCM transition adapters, the MUB centrifugal fans are ready to be connected to circular ducts, or to square ducts when using DS flexible connections. The fans are equipped with AC or EC motors with external rotor and can be installed in any position with selectable airflow direction. Higher air flow rates can be achieved by selecting side discharge. The fans can be used for both supply and extract air.

The MUB centrifugal fans are also available in the following versions:
- MUB/T (MUB/T-S) for temperatures up to 120 °C, direct or side discharge
- MUB-CAV/VAV for constant pressure or airflow control 
- MUB/F for heat and smoke extraction
- MUB-Ex for use in explosive atmospheres

MUB/T are noise and heat insulated centrifugal fans with side discharge and 3D profiled impellers for direct installation in square ducts. The MUB/T centrifugal fans are suitable for industrial kitchens for temperatures up to 120 °C. With the addition of CCM transition adapters, the MUB/T centrifugal fans are ready for connection to circular ducts, or to square ducts when using DS flexible connections. The fans are equipped with AC motors or EC motors with external rotor and aluminium tray for condensate and dirt removal. The MUB/T higher temperature centrifugal fanscan be installed with a selectable airflow direction. The fans can be supplied in the MUB/T-S version with direct discharge on request.

MUB-CAV/VAV EC are economical noise-insulated centrifugal fans designed for installation in square or circular ductwork. The MUB CAV/VAV centrifugal fans have a built-in display and are equipped with a sensor and a measuring tube for constant flow (CAV) or constant pressure (VAV) control settings. The MUB-CAV/VAV EC fans are suitable for transporting air up to 60°C. Higher air flow rates can be achieved by selecting side discharge.

RFU are centrifugal fans designed for industrial applications. The RFU centrifugal single-sided suction fans are equipped with direct drive and AC or EC motors located outside the air flow. The impeller with backward curved blades is made of composite. The fans themselves are housed in a symmetrical housing whose shape does not distinguish between left and right-hand versions and the fans can be installed in many mounting positions. The housing can be supplied in galvanised steel sheet, in powder coated galvanised sheet in RAL 7025 and in stainless steel for the food or chemical industry.

The AxZent centrifugal duct fans are high-performance duct fans suitable for extracting polluted, humid or warm air up to 120 °C. They are intended for high disposition pressures. The AxZent fans are suitable for industrial applications such as process extraction, commercial kitchens and similar applications requiring to overcome high pressure losses in HVAC systems. The fans are reliable and easy to clean.

The CE / CT are centrifugal fans with forward curved blades and external rotor motors. The CE / CT are designed for duct installation with the possibility of speed control and installation in any position. The casing of the fans is made of galvanized steel sheet. The intake and exhaust are fitted with rubber seals. The speed of the CE / CT centrifugal fans can be controlled by a 5-stage transformer and the CE fans also continuously by a thyristor. THe CE / CT are multi-purpose, acoustically optimised fans in a compact, space-saving design. The CE / CT duct fans have forward curved blades that ensure uniform airflow without the use of a guide plate in order to achieve the highest efficiency and quiet, vibration-free operation. The motors are equipped with built-in thermal contacts routed to an external motor terminal block, which must be connected to the appropriate thermal protection relay.

The FR industrial radial single inlet fans with direct drive are suitable for demanding applications such as paint shops and the chemical industry. The FR fans are made of sheet steel protected by a cataphoretic primer and polyurethane varnish. The radial fans are designed for continuous operation, air temperature from -20 to 60 °C. IP55 rating, insulation class F.

On request it is possible to supply a fan made of stainless steel and other materials, two-speed motors and fans for higher temperatures (up to 150 °C, version B with a cooling disc). Furthermore, it is possible to supply an ATEX fan version (explosion-proof fan).

The FRC radial single inlet fans with a direct drive motor are intended for applications in the chemical industry, in ceramic and brick systems, in aeration of grain tanks and warehouses. The FRC radial fans are made of sheet steel with polyurethane anticorrosive lacquer. The dynamically balanced impeller with backward curved blades is made of sheet steel. The FRC radial fans are designed for continuous operation, the temperature of transported air from -20 to +60 °C.

The FQ industrial single inlet radial fans with a direct drive motor are designed for applications in the chemical industry, in ceramic and brick systems and in aeration of grain tanks and warehouses. The FQ industrial fans are made of sheet steel protected by a cataphoretic primer and polyurethane varnish. The dynamically balanced impeller with backward curved blades is made of sheet steel. The FQ radial fans are designed for continuous operation, the temperature of transported air from -20 to +60 °C. 

On request, it is possible to supply a fan made of stainless steel and other materials, two-speed motors and fans for higher temperatures (up to 150 °C, version B with cooling disc). Furthermore, it is possible to supply an ATEX fan version (explosion-proof fan).

The MEC industrial single inlet radial fans with a direct drive motor are designed for industrial environments (medium dustiness <500 mg/m3), but also for drying and for chemical plants. The MEC industrial radial fans are made of sheet steel coated with a cataphoretic primer and with polyurethane lacquer. The dynamically balanced impeller with backward curved blades is made of sheet steel. The MEC radial fans are designed for continuous operation, the temperature of transported air from -20 to +60 °C. 

On request, it is possible to supply a high temperature version (up to 150 °C), with a welded spiral housing and with a thermally insulated spiral housing.

The FS industrial single inlet radial fans with direct drive. The FS fans are made of sheet steel protected with a cataphoretic primer and polyurethane varnish. The radial fans are designed for continuous operation, the air mass temperature from -20 to 60 °C. IP55 rating, class F insulation. 

On request, it is possible to supply a fan with a two-speed motor, in stainless steel design, with temperature resistance of up to 150 °C or in explosion-proof ATEX design.

The FI industrial single inlet radial fans are made of sheet steel with a cataphoretic primer and polyurethane lacquer. The FI radial fans are designed for industrial applications such as air-conditioning systems or ventilation of halls and warehouses. The FI fans are designed for continuous operation, the temperature of transported air from -20 to 60 °C. 

On request, it is possible to supply a fan in stainless steel or with temperature resistance of up to 150 °C.

The ART industrial single inlet radial fans with direct drive are made of steel sheet protected by a cataphoretic primer and polyurethane varnish. The radial fan is designed for continuous operation and for air temperature from -20 to 60 °C. IP55 rating, insulation class F.

On request, it is possible to supply a fans made of stainless steel or in high temperature design up to 150 °C.

The VCM industrial single inlet radial fans are made of sheet steel protected by a cataphoretic primer and polyurethane varnish. The radial fans are suitable for industrial environments with medium dustiness (<500 mg/m3). The VCM radial fan is designed for continuous operation, the temperature of transported air -20 to 60 °C. 

On request, it is possible to supply a fan in stainless steel, a two-speed motor or a fan painted according to the RAL colour chart.

The FA-R industrial single inlet radial fans are designed, for example, for air-conditioning systems or grain drying. The FA-R radial fans are made of sheet steel with a cataphoretic primer and polyurethane varnish. The FA-R fans are designed for continuous operation, the temperature of transported air from -20 to 60 °C. 

On request it is possible to supply stainless steel fans or also fans in high temperature design up to 150 °C.

The CBM fans are centrifugal single inlet / double inlet suction fans suitable for constructions of air-conditioning and ventilation units and air curtains. The CBM fan housing is made of galvanized sheet steel with black epoxy paint.

The CBM-RE radial fans are suitable for constructions of air conditioning and ventilation units and of air curtains. The CBM-RE fan housings are made of galvanized sheet steel.

The CMB / CMT centrifugal fans are suitable for common HVAC applications as well as OEM applications where hot air extraction is required. The CMB / CMT fans are designed for continuous transport of hot air up to +150 °C. The fan housing is delivered in position LG 270. The position can be changed during installation.

The FRX industrial single inlet radial fans are made of sheet steel, which is powder coated to RAL 7045. The FRX radial fans have an impeller mounted directly on the motor shaft. The FRX fans are suitable for transporting air mass up to 100 °C. The fans can be equipped with a cooling disc for temperatures up to 220 °C on request. Flexible cuffs, condensate drain, anti-vibration kit or fan inlet grille are available as accessories.

The CRMT centrifugal fans are designed for continuous transport of air up to a temperature of 300 °C and can withstand a temperature of 400 °C for at least two hours (air inside the housing only). The CRMT fan housing is made of thick sheet metal, which has a special surface treatment with a paint coating resistant to high temperatures. The CRMT fans are approved according to EN 12101-3 standards. The centrifugal fans are suitable for general HVAC and OEM applications where high temperature air extraction is required. The fans can be used separately or can be integrated into other groups of machines for air exhaust or supply.

The CHMT centrifugal fans are designed for common HVAC and OEM applications where high temperature air needs to be exhausted, they can withstand 400°C for a minimum of two hours. The fan housing is made of thick sheet metal with a special high temperature resistant coating. The fan casing is approved to EN 12101-3. The impeller is made of galvanized steel plate. The fans can be used individually or can be integrated into other groups of machinery for supply and extract air. 

The Cpro impeller fans are suitable for a wide range of applications, whether it be high operating temperatures, special hygiene requirements or other air conditioning applications. The ZAmid®, a highly composite material developed using the latest science, makes the impeller significantly lighter than steel - and even increases durability. ZAmid® offers new possibilities in terms of system runtime, ensures lower energy consumption and leads to a drastic reduction in sound levels. CPro impeller fan motors are available with an outer or an inner rotor.

 Motors with external rotor   
- EC technology ECblue with integrated fan-optimised controller
- AC technology

Internal rotor motors
- PMblue technology: permanent magnet EC motor with built-in driver
- AC technology

Cpro free-running impeller made of high-performance ZAmid composite material with 7 backward curved, profiled blades, in sizes 250 to 630 mm. Volumetric flow rate up to 30,000 m³/h at free flow, possible static pressure increase up to 2,500 Pa. Version with hub and injection nozzle with measuring device for volumetric flow. 

GR modules for compact installation in applications / devices for horizontal and vertical air routing. ER fans for use, e.g. with vibration damping in air handling units for horizontal air ducting.

- impeller with rotating diffuser without blades
- reduced operating noise due to special three-dimensional blade geometry
- ZAmid® high quality plastic material for use from -35 to +80 °C
- high chemical resistance
- design according to DIN EN 45545-2, with ZAmid material with fire protection certification

Catalogue of the product series: Cpro.pdf

The Vpro impeller fans are the most suitable for universal use from the Ziehl&Abegg range of centrifugal impellers. The Vpro impeller stands out thanks to its specially developed three-dimensional blade geometry, which gives it an exceptionally low sound power level. In combination with the built-in GR module, installation is quick, simple and highly efficient. The Vpro fan motors are available with external rotor, ECblue EC technology with integrated controller or AC technology.

The Vpro free-running impeller is manufactured with 6 backward curved, profiled blades in sizes from 190 to 630 mm. The impeller is developed from a high-performance composite material in a nozzle-injection design. Volumetric flow rate of 18,000 m³/h at free flow, max. static pressure increase up to 1,300 Pa.
GR modules for compact installation in customer applications / devices for horizontal and vertical air routing.

• high volume flow rate
• high efficiency
• low sound pressure level due to special three-dimensional blade geometry
• reduced operating noise
• perfectly suited for low pressure applications

The centrifugal fans with ZAbluefin impellers deliver energy savings in every application. As the centrifugal fan, the impeller is made of steel or with ZAmid® technology with 5 backwards curved blades and comes with variable motor technologies. The ZAbluefin is precisely matched for maximum efficiency and saves significant operating costs due to its unsurpassed performance characteristics.

ZAbluefin with ZAmid® technology 
Bionic free-running impeller with optimized design and diffuser effect made of high-performance ZAmid® composite material for new performance standards. Adapted to the ECblue intelligent motor technology (IE5) for highest system efficiency and premium performance in every application. Available in sizes from 250 to 560 mm, volumetric flow rates up to 19,000 m3/h at free flow, maximum static pressure increase up to 1,800 Pa possible. Version incl. inlet nozzle with air flow measuring device. 

GR modules for compact installation in customer applications/devices.

ZAbluefin in steel
Latest generation bionic free-running impeller with 5 backward curved blades made of sheet steel with powder coated surface protection. Model with hub (Taperlock or fixed hub) and inlet nozzle with air flow measurement device. Available in sizes 710 to 1,120 mm, volumetric flow rate up to 80,000 m3/h at free flow, max. static pressure increase up to 2,100 Pa.

ER fans for built-in use, e.g. with vibration damping in central air conditioning systems. GR modules for compact installation in customer applications/devices. 

Catalogue sheets of the product series: ZAbluefin.pdf, ZAbluefin-ZAmid.pdf

The S-series single and double inlet centrifugal fans with AC technology in a compact casing are ideal for a wide range of applications, such as clean rooms or controlled ventilation in homes, providing reliability and efficiency. The S-series housing fans feature a compact housing design and high power with low noise emissions due to the high blade count. Optimal motor cooling and compact design thanks to the external rotor motor integrated in the impeller, with adjustable voltage. 

The impellers with forward curved blades are available in sizes 280 to 400 mm (single inlet) and 200 to 400 mm (double inlet). This allows volume flow rates up to approximately 14,000 m³/h and static pressures up to 1,150 Pa.

Catalogue of the product series: S-series.pdf

The centrifugal fans with C-Series impellers are available in sheet steel with powder coated or ATEX surface protection and can be combined with standard motors in parallel operation. The modular design allows you to assemble the system components according to your individual requirements. All sizes can be combined with high-efficiency motor technology for highest efficiency and low noise levels. With a wide range of installation positions, the fans can be used in a variety of applications.

Motor designs:

Motors with internal rotor:

• PMblue technology: permanent magnet EC motor with built-in controller

• AC AMblue technology: asynchronous motor with integrated controller

• AC technology

External rotor motors:

• EC technology: ECblue with integrated fan-optimized controller

• AC technology

The freely rotating impeller with 7 backward curved blades is available in sizes from 225 to 1,120 mm. Volume flow up to 110,000 m³/h at free flow, possible increase of max. static pressure up to 2,500 Pa. Version with hub (Taperlock or fixed hub) and inlet nozzle with volume flow measuring device. GR modules for compact installation in customer applications/devices for horizontal and vertical air ducting, ER fans for installation for use in air handling units with horizontal air ducting.

The M series centrifugal fans with aluminium impeller are particularly versatile and suitable for various applications, for example with high mechanical requirements and at high temperatures. They can be used, for example, in air-conditioning and refrigeration technology, in railway operations or in drying plants. The geometry of the M-series impeller allows it to be used as a stand-alone free impeller or in a spiral housing. The motor concept for the M Series is based on AC technology, with an external rotor and 2-pole. The motor impellers are also available in ATEX design.

The backward curved, single inlet M-series motor impellers are designed for use without a spiral houaing. They are available in sizes 225 to 500 mm for volumetric flow rates up to 5,500 m³/h and static pressures up to 2,100 Pa.

Catalogue sheet of the product series: M-Series.pdf

The Q-Series cross-flow fans also achieve more consistent temperatures and longer life for your dry transformers due to optimal cooling. QR06 sizes are also available as 19" plug-in units, motor drive is available in 24V DC (electric motor without commutator), motors are 100% speed controlled.

Cross-flow fans with cylinder diameter 60 to 120 mm and lengths up to 1,200 mm. Casings with 90° or 180° airflow in stable extruded aluminium profile. The cylinders in all sizes are also available without casings.

Motors with external rotor:

• ECblue technology with integrated fan-optimized controller

• AC technology

Catalogue of the product series: Q-Series.pdf

The P series single or double inlet centrifugal fans with AC technology are energy optimized for spiral housing operation. The P series housing fans are characterized by their high power. The large number of blades ensures very low noise levels without disturbing sounds when they rotate. The housing is equipped with removable flange and fixing angle.

The single/double inlet centrifugal fans in a standard spiral casing with forward curved blades are available in sizes 200 to 450 mm with maximum flow rates up to 21,000 m³/h and static pressures up to 1,000 Pa.

Catalogue sheet of the product series: P-Series.pdf

The L-Series impeller centrifugal fans are suitable for use in small installation spaces due to the impeller geometry. The impeller features a special design and the number of blades. Application areas of the L-series include, for example, air conditioning and refrigeration technology as well as unit cooling. The special impeller geometry also makes the centrifugal fan perfectly suited for selective cooling of components. 

The L-series backward curved single inlet motor impellers made of composite material are designed for use without a spiral housing. Available in sizes 190 to 310 mm. This allows volumetric flow rates up to 1,900 m³/h and static pressures up to 600 Pa.

Catalogue sheet of the product series: L-Series.pdf

The R series centrifugal fans with EC motors with single or double-sided suction are suitable for applications in air conditioning, refrigeration or ventilation systems. The R Series fans can be mounted in their galvanized sheet metal spiral housing on an outlet flange or with mounting brackets. The R Series housing fans are characterised by their high power density, while the large number of blades ensures very pleasant noise levels without disturbing sounds when they are rotating.

The ECblue technology with integrated controller is perfectly adapted to the fan. The fans with ECblue motors meet the requirements of all relevant EU directives on energy efficiency.

The EC centrifugal single/double inlet fans of the R series with are available in sizes 180 to 450 mm (single inlet) and 250 to 450 mm (double inlet) with volume flow rates up to 9,000 m³/h and static pressures up to 1,100 Pa.

The stackable ZAcube fan module system with built-in Premium Optimizer for highest efficiency with reduced acoustics. With a few simple steps, you can now effortlessly create a highly efficient fan formation in a variety of shapes and sizes. The modules are self-supporting and can therefore be mounted without additional reinforcement measures.

The modules contain a free-running Cpro impeller with 7 backward curved profiled blades in sizes 315 to 560 mm. Impeller made of high performance ZAmid composite material. Volumetric flow rate up to approx. 17,500 m³/h at free flow, max. static pressure increase up to 2,100 Pa. Modules for easy handling and design of fan formations for horizontal air routing in RLT devices or retrofitting of older existing devices.

The ZAcube modules include Premium Optimizer. It provides a significantly better flow shape at the module outlet to increase air handling performance, while at the same time the acoustics are significantly improved. The design of the ZAcube fan modules allows quick and easy installation of the fan formation. At the same time, the fans can be arranged in up to 5 levels and operated in parallel.

Catalogue of the product series: Zacube-en.pdf

The ZAvblue centrifugal impeller fans achieve high flow rates and high efficiency despite their small and compact design. The ZAvblue are suitable for low pressure applications in confined installation conditions. The ZAvblue impellers use external rotor motors with AC technology as well as ECblue technology with an integrated fan-optimised controller.

The complete model range also meets the requirements of the ErP 2015 directive in AC technology.

ZAvblue free-running impeller with 7 backward curved, profiled blades, in sizes 175 to 630 mm. Impeller made of high-performance composite material. Volumetric flow rate around 19,000 m³/h at free flow, max. static pressure increase up to 800 Pa possible. GR modules for compact installation in applications/devices for horizontal and vertical air routing.

• high volume flow rate

• high efficiency

• low sound pressure level due to special three-dimensional blade geometry with diagonal air outlet

• reduced operating noise level

Catalogue sheet of the product series: ZAvblue-en.pdf

The ZApilot centrifugal fans have guide blades integrated into the system and a stationary diffuser converts dynamic pressure to static pressure, increasing efficiency - up to 10% more efficient compared to market standards. The modules include integrated guide blades to reduce air turbulence and a stationary diffuser for targeted increase in airflow cross-section.

The fan system with built-in air ducting includes a ZAvblue free-running impeller with 7 backward curved blades in sizes 175 to 250 mm. Impeller made of high performance composite material. Volumetric flow rate approx. 1,600 m³/h at free flow, max. static pressure increase up to 1,000 Pa. Integrated inlet nozzle with possibility of attachment to the protective grille on the inlet side. Easy handling - Plug `n Play.

Catalogue sheet of the product series: ZApilot-en.pdf

The ZAventero centrifugal fans are minimalist and compact fans that set new standards in performance, handling, efficiency, acoustics and sustainable behaviour thanks to unique equipment and the ECblue motor technology. With the ECblue motor housing and fresh air connection, media temperatures of up to 80°C are possible with a single duct connection. Thanks to the ZAventero fan cover, the ECblue is very well protected from dirt, e.g. grease.

GR ventilation modules with galvanized steel motor cover. The module contains a free-running aluminium C impeller with 7 backward curved blades of size 315 to 450 mm. Volume flow up to approx. 11,200 m³/h at free flow, max. static pressure increase up to 1,800 Pa. The impeller has a rotating diffuser without blades for high efficiency and favourable acoustic behaviour. Inlet nozzle with measuring device for airflow volume measurement.

Catalogue sheet of the product series: ZAventero-en.pdf

Designed for extreme conditions, the ZAsilo centrifugal fans combine a perfectly balanced impeller with a quiet, high-performance EC motor in a pest- and corrosion-resistant housing. The weather cover and access door combined with the inlet protection make the ZAsilo ideal for outdoor use right on a silo. A five-speed switch installed directly on the housing allows easy speed control adapted to the situation of cereal drying, continuous ventilation, etc. The impeller with rotating diffuser achieves maximum efficiency and favourable acoustic behaviour - reduced operating noise due to special three-dimensional blade geometry.

The ZAsilo fan system with welded spiral casing with protective coating consists of a Cpro impeller made of high performance composite material in sizes 250 to 400 mm, built on a ECblue motor. Volume flow up to 10,000 m³/h at free flow, possible static pressure increase up to 2,600 Pa.

Catalogue sheet of the product series: ZAsilo-en.pdf