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Centrifugal fan RG..S design
Specification:
Single inlet centrifugal fans in compact scroll housings with forward curved blades. Impeller diameters from 120 to 400 mm are available, resulting in air volumes up to 4,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Housing also possible with a discharge flange and base-board.
Applications:
Close control units, air heaters, exhaust plants, gate and door air curtains, industrial boilers
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Centrifugal fan RA inch-sized design
Specification:
Double inlet centrifugal fans with forward curved blades in inch dimensions. Impeller diameters from 9 to 15 inch are available, resulting in air volumes up to 11,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through the centrally mounted voltage-controllable external rotor motor in the impeller. Vibration eliminators are fitted between the motor mountings and the housing.
Applications:
Close control units, air heaters, kitchen exhaust systems, suction units
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Centrifugal fan system FREvent
Specification:
Centrifugal fans equipped with integrated electronic frequency inverter speed controls. The result is a highly efficient and extremely compact speed controlled fan. The FREvent system is well priced, and is fitted with motors optimised for efficiency.
Attributes and special features:
The most energy efficient system, without electronic motor noise, 100% speed controllable, integrated process controller.
Applications:
Air conditioning, cleanroom technology, refrigeration, automotive air conditioning
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Centrifugal fan RD..A design
Specification:
Double inlet centrifugal fans in standard scroll housings with backward curved blades. Impeller diameters from 315 to 560 mm are available, resulting in air volumes up to 27,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller.
Applications:
Close control units, exhaust plants, gate and door air-curtains, flat devices
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Centrifugal fan QK/QR design
Specification:
Cross-flow fans with cylinder diameters from 60 to 120 mm and construction lengths of up to 1,200 mm. Housing with flow-through in 90° or 180° direction. Housing made using stable aluminium continuous-casting technology. Cylinders available in all frame sizes with and without scroll housings.
Attributes and special features:
19" plug-in system, motor drive in 24 V direct current design (brushless electronic motor) can be supplied, 100% speed controllable.
Applications:
Electronic cooling, process engineering, ventilation, cooling, climatisation, automotive air conditioning
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Centrifugal fan RD..P design
Specification:
Double inlet centrifugal fans in standard scroll housings with forward curved blades. Impeller diameters from 200 to 450 mm are available, giving air volumes up to 21,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller.
Applications:
Close control units, air heaters, exhaust plants, gate and door air-curtains
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Centrifugal fan RG..T design
Specification:
Impeller with 9 backward curved blades with impeller diameters from 355 to 630 mm. Made of galvanized sheet-steel. Steel scroll housing of stitch welded construction, additionally powder coated. Static pressure increases are possible up to ca. 7,500 Pa.
Attributes and special features:
Surrounding diffuser, high degree of impeller efficiency, 3 different impeller diameters depending on the fan frame size.
Applications:
Suction systems, drying plants, forced ventilation, industrial ventilation systems
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Product details
Centrifugal fan RH..C design, explosion-proof
type of protection increased safety "e", T3 or T4
Specification:
Motorless RH..C impeller with 7 rear backward curved blades. Impeller diameters from 225 to 1,000 mm, made from sheet steel with surface protection achieved through electrically conductive special coating RAL 9005. Equipped with fixed hub and inlet ring made of copper with measuring device.
Attributes and special features:
RH..C centrifugal impellers in explosion protected design fulfill the requirements of the 94/9/EU (ATEX 95) directive, in accordance with the device group II, device group 2G and 3G, explosion group IIB, and can be utilized in zone 1 and zone 2.
Applications:
explosion-proof applications
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Centrifugal fan RH..C design
Specification:
Motorless RH..C impeller with 7 rear curved blades. Impeller diameters from 225 to 1,120 mm, made from sheet steel with surface protection achieved through powder coating. Equipped with hub (taper lock hub or fixed hub) and inlet ring.
Attributes and special features:
High power density, wide range with high efficiency, low noise levels. Also available in EX design. Air volumes up to 110,000 m³/h free blowing, max. static pressure increase up to 2,500 Pa feasible. Also available in ATEX design.
Applications:
Air Handling Units, cooling, ventilation
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Centrifugal fan ER..C design
Specification:
The ER..C plug fan, optimized for a very compact construction design. IEC-three phase motor with a PTC for fail-safe operation. Motorless RH..C impeller with 7 backward curved blades. Impeller diameters from 225 to 1,120 mm. Impeller made from sheet steel with surface protection achieved through powder coating. Equipped with hub (taper lock hub or fixed hub) and inlet ring.
Attributes and special features:
The rotating diffuser provides high efficiency. Very good acoustic performance. Air volumes up to 110,000 m³/h free blowing, max. static pressure increase of up to 2,500 Pa feasible. Also available in ATEX design.
Applications:
Air Handling Units, cooling, ventilation
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Centrifugal fan RD..S design
Specification:
Double inlet centrifugal fans in compact scroll housings with forward curved blades. Impeller diameters from 200 to 400 mm are available, resulting in air volumes up to 14,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Housing also possible with discharge flange and baseboard. Housing designs in aluminium and sheet steel.
Applications:
Close control units, air heaters, exhaust plants, gate and door air-curtains, cleanrooms, flat devices
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Centrifugal fan ER..C design, explosion-proof
Three phase motor ignition protection class, EEX de IIC T4 pressure-proof housing
Specification:
The ER..C plug fan, optimized for a very compact construction design. IEC-three phase motor EEX de IIC T4 with a PTC for fail-safe operation. Motorless RH..C impeller with 7 backward curved blades. Impeller diameters from 225 to 1,000 mm. Impeller made from sheet steel with surface protection achieved through electrically conductive special powder coating RAL 9005. Equipped with fixed hub and inlet ring made of copper with measuring device.
Attributes and special features:
ER..C plug fans in explosion protected design fulfill the requirements of the 94/9/EU (ATEX 95) directive, in accordance with the device group II, device group 2G and 3G, explosion group IIB, and can be utilized in zone 1 and zone 2.
Applications:
explosion-proof applications
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Centrifugal fan RM..D design
Specification:
The mixed-flow impeller is available in diameters from 355 to 560 mm and achieves air volumes of up to 15,000 m³/h (free blowing). Plastic impellers are available in diameters from 355 to 450 mm. Impellers with diameters from 500 to 560 mm are available with welded aluminium construction.
Attributes and special features:
Optimal motor cooling and a compact construction achieved by integrating the voltage controllable external rotor motor into the impeller.
Applications:
For housing fans, duct, tube and roof fans, in air conditioning units, heat pumps, cooling and ventilation purposes
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Centrifugal fan GR..C design
Specification:
Ready-to-install C series single inlet motorised impeller modules, with impeller diameters from 225 to 630mm. The air handling capacities correspond to the respective RH..C types. The sheet metal parts are made from galvanized sheet steel.
Attributes and special features:
Driven through an IEC-three phase standard-motor with a PTC for fail-safe operation. Bolted support structure made from galvanized sheet steel. Vertical mounting position with anti-vibration mounts. Horizontal mounting position without anti-vibration mounts.
Applications:
Close control units, cooling, air handling units
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Centrifugal fan GR..E design
Specification:
Ready-to-install E series single inlet motorised impeller modules, with impeller diameters from 500 to 630mm. The air handling capacities correspond to the respective RH..E types. The sheet metal parts are made from galvanized sheet steel.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Low rotational noise impeller for noise-critical applications.Vertical mounting position with anti-vibration mounts. Horizontal mounting position without anti-vibration mounts.
Applications:
Air handling units, air conditioners, electronic cooling
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Centrifugal fan RH..E design
Specification:
Single inlet E series motorised impellers, intended for use without scroll housings. Impeller diameters from 500 to 630 mm are available, resulting in air volumes up to 16,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Low rotational noise impeller for noise-critical applications.
Applications:
Duct, tube and roof fans, air conditioning units, heat pumps
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Centrifugal fan RG..A design
Specification:
Single inlet centrifugal fans in standard scroll housings with backward curved blades. Impeller diameters from 315 to 560 mm are available, resulting in air volumes up to 15,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller.
Applications:
Close control units, exhaust plants, gate and door air-curtains
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Centrifugal fan RE / RZ..P design
Specification:
Single and double inlet P series motorised impellers, designed for use in both compact and standard scrolls. The frame sizes and power ranges correspond to the respective RG/RD..P scroll housed fan data.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller.
Applications:
Duct fans, close control units, ventilation units
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Centrifugal fan GR..M design
Specification:
Ready-to-install M series single inlet motorised impeller modules, with impeller diameters from 225 to 630mm. The air handling capacities correspond to the respective RH..M types. The sheet metal parts are made from galvanized sheet steel.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Vertical mounting position with anti-vibration mounts. Horizontal mounting position without anti-vibration mounts.
Applications:
Air handling units, air conditioners, cleanrooms, electronic cooling
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Centrifugal fan GR..N design
Specification:
Ready-to-install N series single inlet motorised impeller modules, with impeller diameters from 500 to 630mm. The air handling capacities correspond to the respective RH..N types. The sheet metal parts are made from galvanized sheet steel.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Vertical mounting position with anti-vibration mounts. Horizontal mounting position without anti-vibration mounts.
Applications:
Air handling units, electronic cooling
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Centrifugal fan RG..P design
Specification:
Single inlet centrifugal fans in standard scroll housings with forward curved blades. Impeller diameters from 200 to 450 mm are available, resulting in air volumes up to 8,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller.
Applications:
Close control units, exhaust plants, gate and door air-curtains
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Centrifugal fan GR..G design
Specification:
Ready-to-install G series single inlet motorised impeller modules, with impeller diameters from 315 to 450mm. The air handling capacities correspond to the respective RH..G types. The sheet metal parts are made from galvanized sheet steel.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Low rotational noise impeller for noise-critical applications.Vertical mounting position with anti-vibration mounts. Horizontal mounting position without anti-vibration mounts.
Applications:
Air handling units, air conditioners, cleanrooms, electronic cooling
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Centrifugal fan RF design
Specification:
Single-sided centrifugal fans in compact scroll housings with forward curved blades and impeller diameters from 180 to 225 mm.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the three-phase asynchronous external rotor motor into the impeller. Very high pressure increases feasible by using 2-pole rotational speeds. Both 50 and 60 Hz variants available.
Applications:
External motor ventilation, ventilation
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Centrifugal fan RH..M design
Specification:
Single inlet M series motorised impellers, intended for use without scroll housings. Impeller diameters from 225 to 900 mm are available, resulting in air volumes up to 31,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. The motorised impellers are also available in ATEX design.
Applications:
Duct, tube and roof fans, air conditioning units, heat pumps, cleanrooms, and for cooling and ventilation purposes
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Centrifugal fan Cpro design
Specification:
Free running impeller Cpro with 7 rear curved, profiled blades. Impeller diameters from 250 to 630 mm, made from composite material. Equipped with hub (taper lock hub or fixed hub) and inlet ring.
Attributes and special features:
High power density, wide range with high efficiency, low noise levels, reduced blade passing noise. Air volumes up to 28,000 m³/h free blowing, max. static pressure increase up to 2,500 Pa feasible.
Applications:
Air Handling Units, cooling, ventilation
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Centrifugal fan RH..M design, explosion-proof
type of protection increased safety "e", T3 or T4
Specification:
Single inlet M series motorised impellers, intended for use without scroll housings. Impeller diameters from 280 to 630 mm are available, resulting in air volumes up to 10,000 m³/h.
Attributes and special features:
Fans according type of protection increased safety "e" conform to category 2 G and may be applied where a dangerous explosive atmosphere occurs only occasionally during normal operation.
Applications:
explosion-proof applications
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Centrifugal fan RH..N design
Specification:
Single inlet N series motorised impellers, intended for use without scroll housings. Impeller diameters from 500 to 630 mm are available, resulting in air volumes of up to 16,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. High power density.
Applications:
Duct, tube and roof fans, air conditioning units, heat pumps, and for cooling and ventilation purposes
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Centrifugal fan RH..G design
Specification:
Single inlet G series motorised impellers, intended for use without scroll housings. Impeller diameters from 315 to 450 mm are available, resulting in air volumes up to 6,000 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Low rotational noise impeller for noise-critical applications.
Applications:
Duct, tube and roof fans, air conditioning units, heat pumps, cleanrooms, and for cooling and ventilation purposes
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Centrifugal fan RG..M design
Specification:
Single inlet centrifugal fans in standard scroll housings with backward curved blades. Impeller diameters from 225 to 315 mm are available, resulting in air volumes up to 2,400 m³/h.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller. Pressure increases of up to 1,100 Pa are feasible by using the 2-pole voltage-controllable external rotor motors.
Applications:
Suction units, railroad engineering, ventilation
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Centrifugal fan RH..A / RK..A design
Specification:
Single and double inlet A series motorised impellers are designed for use in standard scrolls. The impeller diameters and power ranges correspond to the respective RG/RD..A scroll housed fan data.
Attributes and special features:
Optimal motor cooling and a compact construction achieved through integrating the voltage controllable external rotor motor into the impeller.
Applications:
Duct fans, close control units, ventilation units
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