Centrifugal Fans — Series U/ARP 

​Medium-pressure centrifugal fans designed to convey air and support pneumatic handling applications.

The U/ARP series centrifugal fans are suited to conveying air — even slightly dusty — at temperatures up to 80 °C. These units perform reliably where moderate pressures and flow rates are required, such as industrial ventilation, pneumatic conveying support, and general air movement tasks.

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 The U/ARP series is engineered for:

  • Ventilation and air movement in industrial environments
  • Support of pneumatic conveying air streams
  • Medium-pressure airflow applications
  • Integration with ducted systems and process equipment

These fans feature a robust steel spiral casing, adjustable discharge orientation, and forward-curved blade impellers, ensuring stable performance and durability in continuous operation.

Applications

Industrial ventilation

Steady air transport • Continuous circulation

Pneumatic conveying support

Assisting material transport • Duct systems

Medium-pressure systems

Balanced airflow • Controlled pressure zones

General air movement

Facilities • Halls • Process zones

  • Medium-pressure performance
    Designed for applications requiring moderate pressure and airflow balance; typical range ~250–6 500 m³/h depending on model. 

  • Heavy-duty spiral casing
    Steel sheet construction, rimmed and welded for mechanical strength and durability. 

  • Adjustable discharge angle
    The discharge outlet can be rotated in 45° increments (RD clockwise / LG counter-clockwise) to match installation requirements. 

  • Forward-curved impeller blades
    Steel fan wheel with forward-curved blades, dynamically and statically balanced for smooth operation. 

  • Directly coupled motor
    Impeller mounted directly on the motor shaft (no belts), reducing maintenance. 

  • Industrial duty motors
    Asynchronous three-phase or single-phase motors (2 poles), B3, IP55, self-ventilated and suited for continuous duty per UNEL/IEC standards. 

  • Temperature rating up to 80 °C
    Suitable for conveying warm air streams within industrial processes. 
  • RP inlet protection net
  • GA intaking vibration-damping joint
  • RA intaking joint
  • RF inlet flanged fitting
  • CA inlet counter-flange
  • FL inlet filter
  • SA inlet silencer
  • SF throttle valve
  • RM outlet protection net
  • GM feed vibration-damping joint
  • CM outlet counter-flange
  • QT outlet square-round joint
  • SM outlet silencer
  • TS discharge plug
  • PI inspection door
  • AV vibration dampers

Special Versions:

  • AI made of stainless steel AISI 304 to extract corrosive fumes
  • AS anti-spark version in accordance with ANIMA-COAER standards (table NV105)
  • HZ manufactured to work at Hz. 60
  • HT conveyed fluid temperature up to a maximum of 250°C (this version is made with longer shaft motor and extra cooling fan)
  • SB arrangement 5 with motor type B5 or B3/B5 without motor support base
  • TH high protection for use in tropical climate with high degree of humidity
  • TR belt drive, arrangement 9

Start with the customer – find out what they want and give it to them.

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