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Process and Industrial Ventilation INFINAIR

Plenum Fan – YFBCQQ

The YFBCQQ is a direct-drive plenum-type centrifugal fan designed for seamless integration into air handling units (AHUs) and pressurized ventilation systems. It combines robust, modular construction with optimized aerodynamic performance, making it ideal for industrial environments that demand reliability and low noise levels.

Equipment Overview

The YFBCQQ fan is a high-performance solution manufactured under the strictest international standards. Its modular structure facilitates both transportation and on-site installation, thanks to a design that includes integrated lifting holes in the motor base.

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The back-bent impeller is integrally welded and dynamically balanced in accordance with AMCA 204 Grade G4.0, ensuring smooth operation and an extended service life even at high speeds. Additionally, it features a molded Venturi tube that maximizes flow straightening, reducing turbulence and improving the overall energy efficiency of the system.

Competitive Advantages

  • Modular construction: Facilitates on-site installation and maintenance through an optimized six-part design (impeller, Venturi, panel, motor, motor base, and vibration isolators).
  • Aerodynamic Efficiency: Venturi inlet design for superior flow straightening, reducing noise and increasing efficiency.
  • High durability: Certified anti-corrosion protection through industrial-grade epoxy coating.
  • Control versatility: VFD-compatible motor for precise performance adjustments based on application demand.
  • Quality Certifications: Full compliance with AMCA 210/300 standards and ISO 9001/14001/45001 management certifications.

Technical Specifications

  • Airflow range: 500 ~ 160,000 m³/h (200 ~ 90,000 CFM).
  • Static pressure range: 0 ~ 3,000 Pa (0 ~ 10 in.WG).
  • Drive type: Direct.
  • Temperature range: -40°C a 80°C.
  • Balancing quality: AMCA 204 Grade G4.0.
  • Motor: IP55 protection rating, Class F insulation (VFD-compatible).
  • Surface treatment: Sandblasting, degreasing, and electrostatic coating with high-strength epoxy resin (minimum 10-year anti-corrosion protection).
  • principal Aplications: Air Handling Units (AHUs), pressurized ventilation systems, and industrial ventilation processes.

Technical Documentation

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

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