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Fans - circular duct

Fans - circular duct

Circular duct fans are suitable for central ventilation of commercial buildings, family houses, sanitary facilities or workshops. In the category of circular duct fans there are all types of fans - axial, radial, diagonal - which have a neck in circular diameter. The best-selling types for residential buildings are the TD Silent, the TD Mixvent and RVK fans, which thanks to their plastic construction achieve very favourable noise parameters. For industrial applications with relatively higher pressure loss, the RM or KD fans are most often used.

TD Silent

TD Silent

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.

 

TD Mixvent

TD Mixvent

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.

 

Jetline

Jetline

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.

 

Prio

Prio

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.

 

Prio Silent

Prio Silent

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.

 

VENT-NK

VENT-NK

Range of in-line duct centrifugal fans VENT-NK, manufactured from high grade corrosion resistant pressed galvanised steel and supplied as standard with a terminal box and a robust mounting foot. All model VENT NK include an enclosed type, single- phase external rotor motor with factory matched backward curved nonstalling impeller.

 

K / K EC

K / K EC

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.

 

RK

RK

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.

 

RVK

RVK

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.

 

ERM

ERM
 

KV

KV
 

RMQ

RMQ

Fans type RMQ are centrifugal fans, which can be used to mounting into the circular duct. For mounting square flange on the wall (extraction), suction is connected via circular duct. They are designed to transport air without mechanical particles, which could cause abrasion or imbalance of impeller. Fans are suitable for space without dangerous of explosion, should not be exposed to direct effects of the weather. Fans can be instal in horizontal or vertical position. It is possible to regulate the transformer or electronic speed controllers reducing stress. Fans should be stored in covered and dry warehouse.

 

KVK

KVK
 

Ax Zent

Ax Zent

The radial AxZent 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.