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  1. Heating, Air Conditioning, Electricity
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Centrifugal fan PRF AC
ductfree-standingindustrial

Centrifugal fan - PRF AC - Systemair - duct / free-standing / industrial
Centrifugal fan - PRF AC - Systemair - duct / free-standing / industrial
Centrifugal fan - PRF AC - Systemair - duct / free-standing / industrial - image - 2
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Characteristics

Technology
centrifugal
Installation
duct, free-standing
Sector
industrial
Location
indoor, outdoor
Material
galvanised steel, plastic, polypropylene
Color
silver-colored
Air flow

Min.: 0 m³/h
(0 ft³/h)

Max.: 16,999 m³/h
(600,314 ft³/h)

Noise level

27 dB

Weight

6.2 kg
(13.67 lb)

Power

Min.: 4 W

Max.: 7,699 W

Description

Product overview
  • Dependable power for handling aggressive media
  • Flexible use with rotatable casing and pedestal options
  • Suitable for transported air temperatures from 0°C to +60°C
  • Casing made from UV-resistant, waterproof PEs (DN75 PPs-el)


Applications
  • Food industry
  • Electronics industry
  • Medical facilities
  • Chemical industry


Benefits
  • Flexibility: PRF range is developed for environments with dirt, corrosive gases or other challenging elements; components are selected for reliable operation under adverse conditions.
  • Modularity: Rotatable unit casing and configurable pedestal allow adaptation to multiple installation layouts; specify left/right rotation when ordering.
  • Accessories (overview): Wide accessory options available including duct connections, dampers and control accessories. Standard accessories vary by motor version.


Accessories (standard)
AC version (standard)
  • Motor with PTC (DN75 thermocontact)
  • Splinter protection (except DN75)
  • Condensate drain (except DN75)


EC version (standard)
  • Repair switch IP66
  • Splinter protection
  • Condensate drain


Features
  • Construction: Sintered, rotatable casing in UV-resistant, waterproof PEs (DN75 PPs-el). Pedestal in galvanized steel (DN75 pedestal powder coated). Motor mounted outside the airstream as standard.
  • Impeller: Single-flow impellers in PPs (DN75 PPS-el) with effective blade geometry; dynamically balanced and matched to external-rotor motors.
  • Motor: Available with AC (IEC, up to IE3) or EC motors; suitable for 50 Hz and 60 Hz—confirm on order.
  • Motor protection: AC motors include integrated thermistor PTC (DN75 thermocontact). EC motors include electronic thermal protection, locked-rotor protection and soft-start.
  • Control: AC motors can be controlled via frequency converter. EC motors can be controlled via potentiometer (accessory) or external 0–10 V signal.
  • Installation: Intended for indoor use; outdoor use possible with specific accessories. With mounted pedestal the unit stands on the floor. Use flexible duct connections to avoid vibration transfer.


Case studies & references (examples)
  • Reliable ventilation solution for a fast-track automotive service facility
  • Climate engineering for a multifunctional ice-hockey arena with strict acoustic and scheduling constraints
  • Basement car park ventilation for major mixed-use developments


Technical specifications
  • Model name: PRF
  • Temperature range (transported air): 0°C to +60°C
  • Casing material: UV-resistant, waterproof PEs (DN75 PPs-el)
  • Impeller material: PPs (DN75 PPS-el), single-flow, dynamically balanced
  • Pedestal: Galvanized steel (DN75), powder coated
  • Motor types: AC (IEC, IE3) or EC
  • Motor position: Outside the airstream (standard)
  • AC motor protection: Integrated PTC (DN75 thermocontact)
  • EC motor protection: Electronic thermal protection, locked-rotor protection, soft-start
  • Control options: Frequency converter (AC); potentiometer or 0–10 V external signal (EC)
  • Accessories (standard): See AC/EC accessory lists above (PTC, splinter protection, condensate drain, repair switch IP66 etc.)
  • Typical applications: Food, electronics, medical, chemical industries
  • Installation notes: Use flexible duct connections to prevent vibration transfer; casing rotatable for configuration (left/right change must be specified when ordering)

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Centrifugal Fans for Aggressive media

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.