The HCBT Ex explosion-proof axial fans are designed for air extraction and direct installation in explosive environments. The HCBT Ex fans have a housing made of sheet steel, provided with epoxy paint. Installation of the HCBT Ex fans in explosive atmospheres is possible in any position of the motor axis. The HCBT Ex explosion-proof fans are designed for wall mounting, where the discharge and suction must remain free. The fan motor is asynchronous with squirrel-cage, IP55 ingress protection. The terminal block is explosion-proof and is located on the motor. The fans have an explosion-proof rating of II2G Ex d IIB T4 or II2G Ex d IIB(H2) T4.

The HDB / HDT Ex explosion-proof axial wall fans are designed for areas with a risk of explosion for wall mounting. The impeller of the axial fans is made of aluminium alloy with a special wing profile. The HDB / HDT Ex axial wall fans meet the ATEX standard - II2G Ex d IIB T4, for three-phase fans II2G Ex d IIBH T4 on request.

The RFC-Ex explosion-proof centrifugal low-pressure fans* are designed for industrial premises, for environments with a risk of explosion. The RFC-Ex fans are low-pressure single inlet fans with direct drive by an electric motor with IP55 ingress protection. The temperature of the transported air can range from -30 to 40 °C, the ambient temperature must be from -20 to 40 °C due to the resistance of the electric motor.

EX are centrifugal duct fans designed for explosive environments. The EX 140/180 explosion-proof fans can be installed in any position. The fans must be connected to the ductwork using the Kit Ex mounting kit. These fans are equipped with special EX motors and aluminium impellers with forward curved blades. The casing is cast silumin. FKX brackets (2 per fan) are provided for mounting. The single phase motors have a condenser housed in a sand seat.

The C ATEX centrifugal fans for explosive atmospheres are designed for areas where it is necessary to vent explosive mixtures of gases or dust particles from the air. The C ATEX fans for explosive atmospheres are equipped with a protective polyurethane coating and can be mounted in any position. Certification IMQ 10 ATEX 029 X, group II 2G/D b T4/135 X.

The ERM Ex / ERM Ex t semi-centrifugal explosion-proof fans are designed for installation in circular ducts, in environments with a risk of explosion (medium: gas - ERM Ex / medium: dust - ERM Ex t). The fan meets the safety requirements of European Directive 2014/34/EU for equipment and protective systems in potentially explosive atmospheres. The ERM Ex circular duct fans are suitable for use in explosive environments (zones 1 and 2) such as paint shops, charging stations, workshops, production plants, etc. Explosion protection according to ATEX and IECEx.

The TD Ex are explosion-proof duct fans made of plastic or sheet steel with black polyester varnish. The TD Ex diagonal fans for explosive atmospheres are designed for installation in circular air ducts. The motors of the duct fans are asynchronous with squirrel-cage, the stator is equipped with cooling fins.

The RVK-Ex explosion-proof duct fans are designed for installation in circular air ducts. The fan housing for explosive atmospheres is made of conductive plastic. The integrated thermistor contacts provide protection against overheating and must be connected to the U-EK230E protection relay. The fans are certified according to No. ZELM 03 ATEX 0198x.

The AW Ex wall fans are designed for potentially explosive environments. The AW Ex explosion-proof axial fans are equipped with the special Ex external rotor motors. The plate and blades are made of galvanized sheet steel. The surface of the fans and blades is finished with black powder paint. The speed can be controlled by a 5-speed transformer or by a 2-speed switch.

The E-ATEX axial wall fans are designed for wall mounting in explosive areas. The E-ATEX explosion-proof fans are suitable for extraction of air with a maximum temperature of 40°C, IP65 protection. The steel frame of the fan is equipped with a specially shaped diffuser to reduce noise, the impeller is plastic with an aluminium body. 

The fans are manufactured in accordance with EN 14986, with IMQ 10 ATEX 030 X certification and certification for Gr II cat 2G/D b T4/135 X.

The EZQ / EZS / DZQ / DZS Ex / Ex t axial wall-mounted explosion-proof fans are designed for wall mounting in potentially explosive atmospheres (medium - gas Ex / dust Ex t). The fans meet the safety requirements of the European Directive 2014/34/EU for equipment and protective systems in potentially explosive atmospheres. The EZQ / DZQ Ex explosion-proof axial fans have a housing with a square base, the EZS / DZS Ex fans have a housing with a circular base. The axial wall fans are equipped on the suction side with a yellow protective grille according to EN ISO 13857. The fans have explosion protection according to ATEX and IECEx.

The TCBT Ex explosion-proof axial duct fans are designed for air exhaust and supply and for direct installation in explosive environments. The TCBT Ex fans have a housing made of sheet steel, provided with epoxy paint. Installation of the TCBT Ex fans for explosive atmospheres is possible in any position of the motor axis. The TCBT Ex explosion-proof duct fans are designed for installation to HVAC ducts. The fan motor is asynchronous with squirrel-cage, IP55 ingress protection. The terminal block is explosion-proof and is located on the fan housing. The fans are marked as explosion-proof II2G Ex eb IIB T3, II2G Ex d IIB T4 or II2G Ex d IIB(H2) T4.

ILT Ex are centrifugal explosion-proof fans designed for square ducts. The ILT Ex explosion-proof fan housing is made of galvanized steel sheet and is fitted with flanges for mounting in square ducts. Inspection and cleaning operations are made possible by the inspection cover, which, when removed, makes the impeller accessible. The motors are asynchronous with squirrel-cage. IP55 protection and insulation class F. Speed control is carried out by frequency converters or transformer controllers by changing the voltage. The ILT Ex explosion-proof fans have the explosion-proof designation II2G Ex e II T3 Gb.

The RP Ex explosion-proof centrifugal fans are designed for use in simple ventilation applications up to complex air conditioning systems. The RP Ex four-sided fans for explosive environments are suitable for indoor and outdoor use with a temperature of the transported air of -20 to + 40 °C. The impeller of the RP Ex fans has forward-curved blades which are made of galvanized sheet steel. The fans have asynchronous three-phase motors with an external rotor and squirrel-cage. Motor protection is provided by thermistors which are housed in the winding of the electric motor. The thermistors must be connected to a thermistor relay which, when the temperature reaches 130 °C, opens the control circuit of the protective contactor.

The KTEX duct fans are designed for potentially explosive environments. The KTEX explosion-proof fans are equipped with a special Ex motor and with an impeller with forward curved blades. The fan housing is made of galvanized sheet steel and the inlet is made of brass. The fan is connected to the four-sided ducts using the DS-EX flexible connections. The speed can be controlled by a 5-speed transformer.

The DKEX fans are designed for use in potentially explosive environments. The DKEX explosion-proof fans are equipped with a special Ex external rotor motor and with an impeller with forward curved blades. The fan housing is made of galvanized sheet steel and the inlet is made of brass. The fan is connected to the four-sided / circular ducts using the ISE / USE flexible connections.

The explosion-proof RQ four-sided centrifugal fans in Ex design are universally applicable, from simple ventilation to complex air conditioners for complex air treatment. Due to the special design to prevent mechanical ignition sparks according to EN 13463-1, EN 13463-5 and the secured "e" electric motor design according to EN 50014, the fans are predestined for use in hazardous areas. ATEX: II 2G c IIB+H2 TX.

The AXC-EX explosion-proof medium-pressure axial fans are available in diameters from 355 to 900 mm. The adjustable blade angle allows the fan to be projected exactly according to individual customer requirements. Stock fan types are designed to achieve maximum air performance for a given motor power.

The AXC-EX explosion-proof duct fans can be used in zones 1 or 2, explosive group II, for gases from groups A, B and C and in temperature classes T1 to T4. The fans are classified in the category 2G. They are certified under the certification number Sira 07ATEX6341X. As standard, the fans are equipped with KL thermistors which must be connected to the corresponding protective relay. The motor speed can be controlled by a frequency converter.

The AXCBF-EX axial medium-pressure explosion-proof fans are designed for installation in circular ducts, for HVAC applications, where the long life of their motors is applied and in environments with a risk of explosion. The fans are designed to be used at temperatures from -20 to 60 °C. The AXCBF-EX fans have a double galvanized steel housing design - EN ISO 1641. ATEX certification: II 2G c Ex d IIC T4.

The DZR Ex axial explosion-proof duct fans are designed for installation in circular ducts in potentially explosive atmospheres (medium: gas DZR Ex / dust DZR Ex t). The DZR Ex axial explosion-proof fans meet the requirements of the European Directive 2014/34/EU for equipment and protective systems in potentially explosive atmospheres. The duct fans have a housing made of galvanized sheet metal. The fans can be switched for exhaust or supply air, thus reducing the fan airflow by approx. 35%. The fans have explosion protection according to ATEX and IECEx.

The DV-EX explosion-proof roof fans are equipped with the special Ex motor and with an impeller with backward curved blades. The fan housing is made of aluminium, the base frame and the protective inlet screen are made of galvanized sheet with powder coating. The inlet of the explosion-proof fans is made of copper. The speed can be controlled by a five-speed transformer.

The DVV-EX explosion-proof roof fans are designed for extracting air from potentially explosive atmospheres (mixtures of explosive gases and vapours). The DVV-EX have impellers with backward-curved blades and IEC explosion-proof motors with the EEx d explosion protection (pressure-proof enclosure). The fans are suitable for zones 1 or 2, group II, for gases of groups A and B and for temperature classes T1 to T4. The fans are classified in the category 2G. Fan housing with a 50 mm layer of acoustic insulation can be available on request.

Certification ATEX - II 2G c IIB T4
- II - For potentially explosive areas other than mines
- 2G - For category 2 gases: Zones 1 and 2
- c - structural protection
- IIB - Explosion group: ethylene, hydrogen sulphide
- T4 - Temperature class with maximum surface temperature below 135 °C

The TCDH Ex explosion-proof centrifugal roof fans have a base made of galvanized steel plate, the suction ring is made of brass. The TCDH Ex explosion-proof roof fans have an asynchronous squirrel-cage motor. The stator is equipped with cooling fins. Ingress protection IP55, insulation class F. The impeller of the explosion-proof fan is radial with backward curved blades. It is made of galvanized steel with an aluminium center. Operating temperature is from -20 to +40 °C.

The TH Ex explosion-proof roof fans are made of plastic or sheet steel with black polyester varnish. The TH Ex roof fans for explosive atmospheres are designed to be mounted on horizontal roof structures with a mounting base. The motors of the roof fans are asynchronous with squirrel-cage, the stator is equipped with cooling fins.

The MAXvent owlet ATEX medium pressure axial fans for explosive environments are designed primarily for the engineering and energy industries. The fans are also used in other industries, such as refrigeration / air conditioning, chemical industry, food industry, etc. The fans are supplied as standard in dimensions 450 - 1400 mm. The MAXvent fans have corrosion resistant and lighter blades. In the development of these fans, the focus was on achieving high fan performance and reduced operating costs.

Thanks to the bionic blade design, the MAXvent owlet fans have low running costs and low noise. The fans achieve high performance thanks to a very powerful internal motor.

Impeller made of composite material ZAmid ATEX. The fan housing is made of hot-dip galvanized steel. The MAXvent owlet fans are very flexible medium pressure axial fans for explosive environments.

• dimensions 450 - 1400 mm
• ATEX 2014/34/EU, environment zones 1 and 2
• fans can be supplied with long, short or ultra-short housing with EUROVENT connection
• high performance motors with 4 and 6 poles
• PTC motor protection with IP 65 insulation class
• adjustable blade angles from the manufacturer to achieve the desired performance
• operating temperature -20 to 60 °C (temperatures -60 to 120 °C only on request)

The fans are supplied with: self-closing damper, protective grille, mounting kits, etc. If you are interested in any of these fans, please send an inquiry to info@ventilatory.net with the required fan operating point or contact us by phone: 417565655.

TGT Ex are explosion-proof axial duct fans in a secured "Ex" design, intended for installation in circular ducts. The fans for hazardous areas are designed to convey air free of mechanical particles that could cause abrasion or imbalance of the impeller. The impeller blade angle adjustment is made by the manufacturer and shall not be changed. The TGT Ex explosion-proof fans have the explosion-proof designation II2G Ex d IIB T4 or II2G Ex d IIB+H2 T4 (fixed shutter - gas), II2G Ex e II T3 (secured version - gas) and II3D Ex tc IIIB T125oC (dust).

The FRP explosion-proof centrifugal single inlet fans are equipped with a direct motor. The FRP fans for explosive atmospheres are in ExII2/-G design (according to ATEX directives, design preventing sparking). The FRP centrifugal fans are made of galvanized sheet metal and have an access door and double suction flanges. The dynamically balanced impeller with backward curved blades is made of sheet steel. The FRP centrifugal fans are designed for continuous operation, the temperature of the transported air is from -20 to +60 °C. The FRP fans are designed for the transport of clean air.

The PRF-EX explosion-proof fans for aggressive environments are specially adapted fans for extracting aggressive air in explosive environments eg heavy corrosive gases, polluted air, etc. The PRF-EX explosion-proof fans for aggressive environments are suitable for extracting air in test rooms, laboratories, medical facilities, in the food industry, chemical industry, etc.

Motor certified according to 2014/34/EU
ATEX certification - II 2G c Ex de IIC T4 Gb

- designation of the electric equipment: II (equipment for potentially explosive atmospheres other than mines with occurrence of methane)
- equipment protection level: 2G (zone 1, explosive gas)
- type of protection used: de (d = pressure-tight housing, e = increased safety)
- explosion class: IIC (hydrogen, acetylene, carbon disulphide)
- temperature class: T4 (max. surface temperature of electrical equipment 130 °C)

The P EX explosion-proof and acid-proof radial fan is designed for aggressive explosive environments, e.g. in the chemical and petrochemical industries or in laboratories. The P EX fan motor stool is made of metal with epoxy coating. Transported air temperature -15 to 70 °C. Ambient temperature up to 40 °C. 

ATEX II 2G IIC T4 

• II - For potentially explosive areas other than mines 
• 2G - Zones 1 and 2 with explosive gas atmosphere 
• IIC - Explosion group: hydrogen, acetylene, carbon disulphide 
• T4 - Temperature class with maximum surface temperature below 135 °C

The BA INOX EX explosion-proof and acid-proof radial stainless steel fan is designed for aggressive environments in various HVAC applications, e.g. the chemical and petrochemical industries or laboratories. The spiral housing of the chemically resistant explosion-proof fan is made of AISI 304 stainless steel sheet. The impeller with forward curved blades is made of stainless steel sheet. Transported air temperature -15 to 70 °C. A housing with the possibility of transporting air up to 150 °C can be available on request. Ambient temperature up to 40 °C.

ATEX II 2G IIC T4 

• II - For potentially explosive areas other than mines 
• 2G - Zones 1 and 2 with explosive gas atmosphere 
• IIC - Explosion group: hydrogen, acetylene, carbon disulphide 
• T4 - Temperature class with maximum surface temperature below 135 °C

The PC EX explosion-proof and acid-proof radial fan is designed for aggressive environments in various HVAC applications such as the chemical and petrochemical industries or laboratories. The PC EX explosion-proof and acid-proof fan spiral housing is made of PE-EL. The housing is available in a right or left version. The radial impeller is made of PP as standard, stainless steel or FE (steel) on request. Transported air temperature -15 to 60 °C. Ambient temperature 40 °C.

• II - For potentially explosive areas other than mines 
• 2G - Zones 1 and 2 with explosive gas atmosphere 
• IIC - Explosion group: hydrogen, acetylene, carbon disulphide 
• T4 - Temperature class with maximum surface temperature below 135 °C

The PCM explosion-proof and acid-proof radial fan is designed for aggressive environments in various HVAC applications such as the chemical and petrochemical industries or laboratories. The PCM acid resistant fan spiral housing is made of PE-EL. The housing is available in a right or left version. The radial impeller is made of PP-EL. Transported air temperature -15 to 70 °C. Ambient temperature 40 °C.

ATEX II 2G IIC T4 

• II - For potentially explosive areas other than mines 
• 2G - Zones 1 and 2 with explosive gas atmosphere 
• IIC - Explosion group: hydrogen, acetylene, carbon disulphide 
• T4 - Temperature class with maximum surface temperature below 135 °C

The PQ EX explosion-proof and acid-proof radial fan is designed for aggressive environments, e.g. in the chemical and petrochemical industries or laboratories. The PQ EX acid-proof and explosion-proof fan housing is made of PE-EL. The PQ fan motor stool is made of metal with epoxy coating. Transported air temperature -15 to 60 °C. Ambient temperature up to 40 °C.

ATEX II 2G IIC T4 

• II - For potentially explosive areas other than mines 
• 2G - Zones 1 and 2 with explosive gas atmosphere 
• IIC - Explosion group: hydrogen, acetylene, carbon disulphide 
• T4 - Temperature class with maximum surface temperature below 135 °C

The TCV explosion-proof and acid-proof roof fans are designed to extract air from aggressive environments such as the chemical and petrochemical industries or laboratories. The TCV chemically resistant fan housing is made of PE-EL. Transported air temperature -15 to 60 °C. Ambient temperature 40 °C.

ATEX II 2G IIC T4 

• II - For potentially explosive areas other than mines 
• 2G - Zones 1 and 2 with explosive gas atmosphere 
• IIC - Explosion group: hydrogen, acetylene, carbon disulphide 
• T4 - Temperature class with maximum surface temperature below 135 °C

The PR EX explosion-proof and acid-proof radial fans are designed for aggressive environments in various HVAC applications with long air ducts, e.g. the chemical and petrochemical industries or laboratories. The PR EX explosion-proof and acid-proof fan spiral housing is made of PE-EL. The PR EX radial explosion-proof and acid-proof fans are supplied with a circular exhaust housing. The housing is available in right or left versions (on request). The fan motor stool is made of metal with epoxy coating. The radial impeller is made of PP-EL. Stainless steel or FE (steel) versions are available on request. Transported air temperature -15 to 70 °C. Ambient temperature 40 °C.

MUB-EX are explosion-proof noise-proof centrifugal fans designed for industrial, chemical and pharmaceutical plants. The centrifugal fans for explosive Ex environments are available in six sizes for air outputs up to 9,850 m3/h. The MUB-EX fan casing is made of an aluminium frame, plastic horn panels and insulated side panels, which are made of galvanised sheet metal with 30 mm thick mineral wool. The motor of the MUB-Ex fan has an external rotor and is voltage regulated. The radial impeller of the fan has backward curved blades and is powder coated black.

The noise-insulated MUB EX centrifugal fans are suitable for zone II 2G EX h IIB+H2 T3 Gb, ATEX 2014/34/EU.

RFU Ex are centrifugal fans designed for industrial applications with explosion hazards. The RFU Ex single suction centrifugal explosion-proof fans are equipped with direct drive and AC motors located outside the conveyed air flow. The impeller with backward curved blades is made of composite. The fans themselves are housed in a symmetrical housing, the shape of which 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 fans in explosion-proof design are designed for zones 1 and 2 (EExe-de-II-C-T4).