The K radial fans are designed for installation in circular ducts. The duct fans are equipped with radial impellers with backward curved blades and motors with an external rotor. The fan housing is made of galvanized sheet steel. Thanks to the increased tightness of the fan housing, the terminal block with IP55 and the cable glands M20 with IP68, it is possible to use these fans outdoors without a protection roof.

The TD Mixvent diagonal duct fans are designed for installation in circular ducts. The fan housing for types 160-800 is made of high-quality tough polypropylene. In the case of the sizes 1000 to 6000, the housing is made of high-quality galvanized sheet metal and is provided with an epoxy coating.

We supply the TD Mixvent duct fans in a standard design with resistance of up to 40 °C, 60 °C from the size of 200 mm. The currently available 3V version of the TD Mixvent series provides an air flow volume range from 180 to approx. 5,000 m3/hour.

The TD fans are also available in a variant with an integrated overrun timer (marked "T") without the possibility of control.
The variants without markings have two speeds, the 3V can be controlled by a 3-stage controller.

The TD Mixvent fans can be installed in a horizontal or vertical position. The unique design of the support bracket allows mounting or dismantling of the motor and impeller assembly without dismantling the ducting. The TD Mixvent fans have motors with greased-for-life ball bearings. The TD Mixvent fans include a mounting bracket that allows them to be easily attached. The installation and service of the TD Mixvent motors is efficient and fast.

The VENT-NK centrifugal duct fans are designed for installation in circular ducts. The VENT-NK series fans are designed for ventilation of industrial spaces into ducts with relatively high pressure drop. The fans can be mounted in any position of the motor axis. The regulation is performed by electronic or transformer controllers.

The TD EVO diagonal fans for circular ducts are a new range of the reliable TD fans. The duct fans have an optimized discharge airflow deflector that reduces fan noise and increases performance. The TD EVO diagonal fans are characterized by their low noise level. The fans are equipped with a silencer between the motor and the housing, which reduces vibrations. The motors are equipped with grease-for-life ball bearings. The housing is equipped with a seal on the connection sockets. The TD EVO fans are equipped with a 360° rotating terminal block adopted from the TD Silent fan series.

TD EVO diagonal duct fans are available in five versions.

TD EVO - basic version with three-speed motor with variable speed control
TD EVO T - version with 1 to 30 minutes overrun timer with a three-speed motor with speed switching option
TD EVO VAR - single-speed version with integrated triac controller, adjustable overrun timer, external 0-10V control, minimum and maximum speed settings and BOOST function (9 different operating modes, see user manual for more information)
TD EVO Ecowatt - EC motor version with integrated potentiometer for 0-10V control
TD EVO Ecowatt PF - made of recycled plastic with EC motor with integrated potentiometer for 0-10V control

The Jetline duct diagonal fans are designed for ventilation of family houses, sanitary facilities, offices and business premises. The Jetline fan housing is made of galvanized steel sheet. The fan speed is controlled by electronic or transformer regulators.

The Prio fans are diagonal fans designed for installation to circular ducts. The Prio diagonal duct fans are equipped with specially developed aerodynamically optimized impellers and with an external rotor motor. The fans have motors with built-in thermal contacts and with manual restart. The airtight fan housing is made of special composite material. The Prio fans are designed with a standard AC motor or with a highly efficient and economical EC motor.

The Prio Silent insulated fans are designed for circular HVAC ducts. The duct fans are equipped with optimized impellers and an external rotor motor. The Prio Silent diagonal fans for circular ducts have integrated thermal contacts with manual reset. The fan speed can be continuously controlled by a thyristor or a by a 5-stage transformer. The fan housing is equipped with a special acoustic foam for noise absorption without limiting the air flow.

The Prio Silent fans are available with a standard AC motor or an economical EC motor.

The TD Silent noiseless diagonal duct fans are intended for installation to circular ducting. For TD Silent 160-1000 types, the fan housing is made of high-quality ductile plastic. In case of sizes TD Silent 1300 and 2000, the housing is made of high-quality galvanized sheet metal.

The smallest version of the TD Silent fan (160/100) has a motor mounted in elastic blocks, greatly reducing vibration and noise. The 250-1000 fans are equipped with a patented vector noise absorber (see the construction picture). For the TD Silent 1300 and 2000 types, the housing includes glass fibre sound insulation as well as an aerodynamic solution of the intake side, which ensures an exceptional reduction of noise levels.

The terminal block can be rotated 360° (types 250-1000) and thus allows cable connection from any direction. The easily removable TD Silent fan motor unit is mounted in an integrated assembly console for easy wall or ceiling installation. The fan speed can be controlled by two-stage speed switches (2 motor windings) for standard versions, versions (3V) have 3 power levels, versions with timer (T) and all others can be controlled by electronic REB rotational speed regulators.

Lineo series fans are diagonal fans designed for installation in circular ductwork in commercial and industrial areas, e.g. kitchens, warehouses, shops, restaurants, etc. Lineo duct fans are suitable for environments with high humidity and for ducts with higher pressure drop. The circular fans are made of flame retardant plastic and are available in a range of sizes for duct diameters from 100 to 315 mm.

Lineo duct fans are available in standard, overrun timer (T), low noise (Q) and EC motor (ES) versions.

Lineo Quiet fans are quiet diagonal fans designed for installation in circular ductwork in commercial and industrial areas such as kitchens, warehouses, shops, restaurants, etc. Lineo Quiet duct fans are distinguished by the use of specially shaped parts and insulation material integrated in the casing, which reduces noise levels to a minimum. The circular fans are available in a range of sizes for duct diameters from 100 to 315 mm.

Lineo Quiet duct fans are available in standard, overrun time (T) and EC motor (ES) versions.

The Etaline / Etaline EC diagonal duct fans are powerful, silent fans designed for installation in circular ducts, made of quality plastic up to size 200, from size 250 made of galvanized sheet metal and from size 400 made of aluminum. The Etaline / Etaline EC diagonal fans achieve excellent efficiency in their class thanks to the three-dimensional design of the blades. The duct fans with diagonal impeller with stator ensure high airflow volume and low noise level. Each fan includes a mounting bracket.

The Etamaster / Etamaster EC diagonal duct fans are powerful, silent fans designed for installation in ducts, made of high quality plastic. The Etamaster / Etamaster EC diagonal fans achieve excellent efficiency in their class thanks to the three-dimensional design of the blades. The duct fans with powerful impeller with stator ensure high airflow volume and low noise. Each fan includes a mounting bracket.

The RK radial fans are designed for installation in circular ducts. The fan housing is made of plastic. The fans can be installed in horizontal or vertical position. The RK duct fans can be controlled by transformer or electronic speed controllers by voltage reduction.

The RVK duct radial fans are designed for installation in circular ducts. The fans can be used in humid environments due to the high tightness of the housing and the IP44 rating of the terminal block. The RVK duct fans are equipped with an impeller with backward curved blades and with an external rotor motor. The fan housing is made of fibreglass reinforced plastic. The RVK fans are supplied with a mounting bracket as standard for easier installation. The fan speed can be continuously regulated by a thyristor or a 5-stage transformer. The motor protection against overheating is ensured by built-in thermal contacts with automatic reset.

The KV centrifugal wall fans are designed for wall or ceiling mounting with connection to a circular duct. The fans are equipped with AC external rotor motors and a radial impeller with backward curved blades. Speed control is possible using a thyristor or a five-stage transformer.

Les ventilateurs muraux centrifuges RMQ N / VENT-VN sont conçus pour la ventilation des garages, ateliers industriels ou établissements où la construction métallique du boîtier peut être de préférence utilisée. Les ventilateurs conviennent au montage mural et au raccordement à des conduits circulaires. Grâce à la conception radiale de la roue, ils sont adaptés pour surmonter une perte de pression relativement élevée de systèmes de CVC. La régulation est effectuée par des contrôleurs électroniques ou transformateurs.

The RR centrifugal circular duct fans are equipped with single-speed and two-speed motors and are made of galvanized sheet steel. The RR centrifugal fans are designed for demanding operating conditions. The RR duct fan is equipped with a closed external rotor motor. The fan impeller is radial with backward curved blades and is made of plastic. Mounting is possible in any position of the motor axis. The fan can be used for air supply and exhaust. Protection IP55, insulation class F. The fan does not include a mounting bracket.

The RS / RS EC centrifugal duct fans are designed for installation in circular ducts. The RS centrifugal fans have an external rotor motor equipped with ball bearings. The fans can be mounted in any position.

The KVK / KVK Slim EC centrifugal sound-insulated duct fans are suitable for HVAC applications where their low noise level can preferably be applied. The fans have a radial impeller with backward curved blades. The access door of the fans is equipped with 30 mm acoustic insulation. The fans can be installed in any position. The delivery also includes mounting brackets.

The CVB Slimbox centrifugal duct sound-insulated fans are suitable for applications where their low noise and low installation height can be used. The fans have a housing equipped with acoustic insulation and are designed for connection to circular ducts. The fans are suitable for general HVAC applications.

The CAB / CAB Ecowat / CAB Ecowatt Plus centrifugal duct soundproof fans are designed for installation in circular ducts, where their low noise can be applied. The fan housing is provided with a 50 mm layer of acoustic insulation. The fans are suitable for ventilation of family houses, sanitary facilities, offices, workshops or other areas with a requirement for a silent duct fan.

The KVK silent / silent EC centrifugal sound-insulated duct fans are suitable for HVAC applications where their low noise level can preferably be applied. Impeller with backward curved blades and housing equipped with dense mineral wool for acoustic and thermal insulation. Voltage adjustable external rotor motor.

The CVAB-N / CVAT-N / Ecowatt / Ekonovent centrifugal duct sound-insulated fans are designed for HVAC applications where their low noise level can preferably be used. The sandwich panels of the sound-insulated housing are interchangeable with an outlet connection panel. The fans are suitable for ventilation of restaurants, commercial kitchens, sports halls, hospitals, warehouses and swimming pools.

The CVB / CVT Centribox centrifugal duct sound-insulated fans are designed for HVAC applications where their low noise level can preferably be used. Housing with 7 mm layer of acoustic insulation. The fans are suitable for ventilation of restaurants, sports halls, hospitals and warehouses.

The CHVB / CHVT centrifugal duct sound-insulated fans are suitable for applications where their low noise level and high operating temperature up to 120 °C can be used. The fans have a housing equipped with a 17 mm layer of acoustic insulation. The fans are suitable for large-capacity kitchens, restaurants, sports halls, hospitals, warehouses and swimming pools.

KABB / KABT are centrifugal acoustically insulated fans suitable for air handling applications where their low noise level is advantageous. The KABB / KABT fans are particularly suitable for large-capacity kitchens, ventilation of restaurants, sports halls, hospitals, warehouses and swimming pools. The KABB / KABT Ecowatt are centrifugal energy-saving fans equipped with an EC motor. The casing is made of galvanized steel sheet, sandwich design. The installation is carried out with regard to design, fan operation and inspection exclusively with the motor axis horizontal and the condensate tray underneath.

The Emix / Emix EC sound-insulated duct fans are designed for installation in circular ducts and are characterized by low power consumption. The diagonal impeller ensures high efficiency and low fan noise. The fans are equipped with maintenance-free AC or EC motors with overheating protection and ball bearings. The fans can be mounted in any position.

The Isor / Isor EC sound-insulated centrifugal fans are designed for installation in circular ducts. The fans are equipped with an overheating protection with automatic restart. The fan motor is equipped with ball bearings. The fans can be mounted in any position.

The KVK centrifugal sound-insulated duct fans are suitable for HVAC applications where their low noise level can preferably be applied. Double inlet impeller, fan housing with 50 mm thermal and acoustic insulation. The fans can be installed in any position. Due to the weight of the motor, installation with the tilting position downwards is not recommended.

The MultiVent MV / MultiVent MV EC diagonal duct fans are designed for circular ducts. The duct fan housing is made of plastic and is equipped with circular sockets for easier connection of HVAC ducts. The MultiVent fans are equipped with two-speed motors, which can be controlled using electronic or transformer speed controllers. Thanks to the mounting bracket, mounting is possible in any position of the motor axis. 

EDR are diagonal fans designed for direct mounting in circular ductwork for medium to high airflow requirements at high pressure. The duct fans are lightweight and compact in size and feature an integrated mounting plate for easy and quick installation. Due to their high efficiency and very high performance, they reduce operating costs. Depending on the operating time, the purchase price is amortised after just one year. 

EDR diagonal duct fans are equipped with a diagonal impeller with profiled blades, a diffuser to increase static pressure and a suction nozzle for turbulence-free air intake.

ERR are centrifugal duct fans designed for industrial, warehouse and laboratory environments. They are characterized by low noise and high performance. The radial fans are designed for direct installation in circular ducts and are space-saving due to their compact dimensions. The housing of the duct fans is made of powder-coated steel. 

The duct fans are equipped with a radial impeller with backward curved blades and a robust adjustable condenser motor with overheating protection. When installed in ductwork with one meter of straight piece on the intake side, the fans are IP X4 rated. The centrifugal duct fans can be installed in any position.

Duct In-Line are diagonal duct fans designed for installation in circular ducts and for conveying clean air free of dust, grease, chemical fumes, etc. The Duct In-Line fans can be installed in any position in indoor environments with temperatures from 0 to 40 °C. The housing and impeller of the fans are made of durable ABS thermoplastic in white. The Duct In-Line fans are equipped with flanges on each side for connection to circular ducts of the appropriate diameter.