Centrifugal Inline Square (CIS)

103-27,502 CFM

YORK® Centrifugal Inline Square (CIS) fans are ideal in square ducts as clean air boosters in supply and exhaust systems where conventional blowers are impractical.

  • Square, inline duct mount
  • Direct or belt drive; ECM option
  • Inlet filter box with 1" or 2" filters
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Creating Airflow Efficiencies

YORK® Centrifugal Inline Square (CIS) fans offer designers an excellent alternative to conventional blowers for boosting clean air in supply and exhaust systems. As an integral part of a ventilation system layout, CIR fans can be installed either horizontally, vertically or at any angle determined by the ductwork. CIR fans from YORK® feature durable, galvanized steel construction in conjunction with a patented wheel design and deeply spun inlets to provide smoother flow through the ventilator.
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Benefits

COMPACT DESIGN

YORK® CIS fans have a compact design that gives designers an excellent alternative to conventional blowers.

LONG-LASTING QUALITY

Wheel construction is spark-proof and noncorroding, and produces reduced motor starting torque and aids in long bearing life.

EASY ACCESS

Removable, gasket-sealed panels enable easy access to the fan interior to improve serviceability.

Features

  • Square, inline duct mount
  • Supply, return air or exhaust for general HVAC systems
  • Inlet filter box with 1" or 2" filters
  • Direct or belt drive
  • Capacity: 103-27,502 CFM; 0-3.5” WG

Technical Resources

CIS

Fans Brochure

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CIS

Color and Coating Guide

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CIS

Roof Mounted Axial Fan Specification Guide

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CIS

CIR Tubular Centrifugal Inline Fan Operation Guide

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CIS

Model CIS Centrifugal Inline Square Fan Engineering Guide

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