Vents and Ducting

The industry’s most complete exhaust line!

Maintain grain quality ecomically and reduce the risk of storage losses by using Caldwell aeration systems.  Aeration systems are essential in maintaining uniform grain temperatures and moisture levels.  Caldwell aeration exhaust products include:

gooseneck bin ventGooseneck Bin Vent

2670 CFM (4536m3/h) Caldwell hooded bin vent is 20% larger than standard hooded vents.

Pre-punched roof panels make installation quick and easy!

Pre Punched Roof Panel
Pre Punched Roof Panel

Panel with vent
Panel with vent

Pre-Punched Roof Panel vent complete
Panel with Vent Installed

mushroom roof ventMushroom Vent

3750 CFM (6371m3/h) Caldwell mushroom bin vent is 42.8% larger than standard hooded vents. A rain and snow diverter provides optimum moisture control.

All vents install easily and are designed to minimize build up of ice and foreign materials.


Ducting

Caldwell offers a wide variety of grain conditioning ducts for commercial and farm use, including a variety of specialized designs. Caldwell provides custom aeration designs and installation layouts to fit your precise application, providing optimum air distribution.

  • Straight Run Flush Floor
  • Spiral Corrugated Duct
  • Smooth Wall Round Duct in a Straight Run
  • Annular Corrugated Duct
  • Flush Floor "Y" System
  • Smooth Wall Round Duct in a "Y" System
type y flush floor duct
Straight Run Flush Floor

Spiral aeration duct
Spiral Corrugated Duct
Smooth wall aeration duct
Smooth Wall Round Duct in a Straight Run

Annular aeration duct
Annular Corrugated Duct

Flush Floor Y aeration System
Flush Floor "Y" System
Smooth round Y aeration system
Smooth round "Y"

18" Roof Exhaust FanROOF EXHAUSTERS

Caldwell roof exhausters are used to provide ventilation as well as exhaust in large commercial bins.  Caldwell roof exhausters incorporate a low static pressure, high volume axial fan design and the following features:

  • 18” (45.72cm) Roof Exhaust Fan 4,000 CFM (6796m3/h)
  • 24” (60.96cm) Roof Exhaust Fans with Adaptors 10650 CFM (18094m3/h)
  • Galvanized housing
  • 24" Roof Exhaust Fan Can be ordered with either totally enclosed Air Over motors or Explosion Proof Motors