🔄 Industrial Ventilation Series

Circular & Cabinet In-Line Duct Fans

Compact circular in-line duct ventilators and sound-insulated cabinet inline fans for high-pressure ductwork in commercial and residential HVAC.

Engineering & Design Highlights

  • External Rotor High-Pressure Motor
  • Aero-Optimized Backward Curved Impeller
  • Acoustic Dual-Layer Insulated Housing
  • IP44 Water & Dust Ingress Protection
  • Standard Flange for Fast Duct Connection

Recommended Industrial Applications

  • Commercial HVAC Air Distribution
  • Hotel & Apartment Ventilation
  • Cleanroom & Lab Exhaust
  • Restroom & Kitchen Booster Ducting
  • Acoustic Sensitive Areas
Engineering Reference

Technical Selection & Sizing for Circular & Cabinet In-Line Duct Fans

Identify the required air exchange rate (m³/h), total static pressure drop (Pa), and acoustic criteria to match your project specifications.

01

Determine the target air volume requirement based on room volume and hourly air change rate.

02

Calculate external duct and louver static resistance in Pascals (Pa).

03

Verify acoustic dBA limits for the intended installation environment.

04

Contact Deton engineering support for bespoke CAD drawings and fan performance curves.

Available Models & Technical Series

Explore technical datasheets, CAD schematics, and performance parameters for each model in the Circular & Cabinet In-Line Duct Fans lineup.

CDF Series Circular In-Line Duct Fan - Circular & Cabinet In-Line Duct Fans Model CDF12-35E / CDF16-45E / CDF31-66E / CDF16-45A / CDF20-66A / CDF25-80A / CDF31-90A Duct Fans
CDF12-35E / CDF16-45E / CDF31-66E / CDF16-45A / CDF20-66A / CDF25-80A / CDF31-90A

CDF Series Circular In-Line Duct Fan

The CDF Series circular in-line duct fan combines external rotor motor technology with backward-curved centrifugal impellers in a compact round metal casing. Engineered for high static pressure duct booster systems.

Duct Diameter 100mm - 315mm (4" - 12")
Air Volume 250 - 2,100 m³/h
Frequently Asked Questions

Technical & Procurement FAQs

Common questions regarding aerodynamic sizing, electrical configurations, and global standards for Circular & Cabinet In-Line Duct Fans.

Can CDF circular in-line duct fans overcome long duct runs and carbon filters?

Yes. CDF fans feature high-pressure backward-curved motorized impellers capable of developing static pressures up to 750 Pa, easily overcoming flexible duct runs, bends, and HEPA/carbon filtration banks.

How do acoustic cabinet duct fans reduce noise?

Acoustic cabinet fans utilize double-skin metal panels filled with high-density sound-absorbing acoustic foam, reducing motor and aerodynamic breakout noise to under 42 dB(A).