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Industrial and Commercial Ventilation INFINAIR

Centrifugal Utility Set – CUS

The CUS is a high-performance utility set centrifugal fan designed to provide a robust solution for industrial ventilation, kitchen exhaust, and corrosive or explosive environments. It stands out for its installation flexibility, continuous welded construction, and cutting-edge aerodynamic design.

Equipment Overview

The CUS Centrifugal Utility Set integrates INFINAIR's 4th-generation "Wind-Surfer" impellers, optimized via CFD simulation to ensure superior efficiency and reduced noise levels (2–3 dB(A) lower than previous versions).

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Its continuously welded casing eliminates the risk of condensed liquid leakage, making it ideal for demanding applications such as commercial kitchens or humid air extraction. This unit offers unique versatility thanks to its site-adjustable scroll and both base- and suspended-mounting capabilities. Furthermore, it complies with international safety standards, including AMCA-compliant spark-resistant construction options.

Competitive Advantages

  • Total airtightness: Continuously welded casing that prevents any type of internal leakage.
  • Adjustability: The scroll allows for easy adjustment of the discharge direction during installation.
  • Easy maintenance: Quick access to the motor and electrical components via side access doors and standard scroll access.
  • Weather resistance: Rain cover option that protects the motor and drive unit in outdoor installations.
  • Compact design: Optimized to occupy the minimum possible space, reducing ductwork and on-site space requirements.

Technical Specifications

  • Airflow range: 500 ~ 56,000 m³/h (294 ~ 32,941 CFM).
  • Static pressure range: 136 ~ 1,400 Pa (0.55 ~ 5.62 in.WG).
  • Drive type: Direct-drive or belt-driven.
  • Mounting options: Base (suelo) o suspendido (techo).
  • Balancing quality: G2.5 según ISO 1940.
  • Material del rodete: Aluminio (tipo inclinado hacia atrás).
  • Certifications: AMCA, CE, EX y EG.
  • principal Aplications: Ventilación industrial general, extracción de humos en cocinas comerciales, ambientes con riesgo de explosión, sistemas de extracción de aire con presencia de humedad.

Technical Documentation

Download the calculation reports, installation manuals, and certified technical data sheets for this INFINAIR equipment.

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