Comefri USA Inc

Comefri USA Inc

330 Bill Bryan Blvd, Hopkinsville, KY 42240, USA

HVAC fans-ATZAF FF

HVAC fans-ATZAF FF

FEATURES:

  • Steel impeller with 10 (x2) Airfoil blades, continuously welded. Wheel diameters range from 12” to 49”.

  • Galvanized inlet cone with Forefinger (patented) and housing.

  • Housing spot welded up to size 18’’, with Pittsburgh closure from size 20”

  • Low maintenance ball or roller bearings

  • Impeller with shaft statically and dynamically balanced at G 2.5

  • Trapezoidal cut-off

BENEFITS:

  • Suitable for applications up to 13.5” WG SP and volumes to 130,000 CFM

  • Peak efficiencies over 80%

  • Easy interchangeability with ATLI models thanks to standardized dimensioning.

FOREFINGER BENEFITS:

  • Increased airflow and pressure: for a required volume and pressure the fan can run at lower rpm or can be selected smaller

  • More uniform flow at the fan outlet for improved filter and coil efficiency

  • Wider working range with high efficiency

  • Significant reduction of noise, especially in the low frequencies

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