Item # AM-18-1/2, 3938 Cubic Feet Per Minute (ft³/min) Capacity at 1/8 Inch (in) Static Pressure Direct Drive Model AM Roof Exhaust Fan On Indventech

Model AM - Industrial Roof Exhauster - Direct Drive

Designed for general ventilation and smoke removal where lower cost and less maintenance are a priority
Spun venturi steel curb cap for efficient air flow
Spark-resistant Al prop available for hazardous locations
Removable gravity butterfly damper section for easy prop access
Available in 304 or 316 SS construction
Select options below for more information or request a quote

Unit of Measure

Specifications | Performance Data | Outstanding Features | Accessories and Options | Note

Power

N/A 1/2 hp

Prop Number	N/A MS-18-9
Fan Speed	N/A 1725 rpm
Number of Blades	N/A 6
Fan Diameter	N/A 18 in
Free Air	N/A 4133
Capacity at 1/8 Inch (in) Static Pressure	N/A 3938 ft³/min
Capacity at 1/4 Inch (in) Static Pressure	N/A 3724 ft³/min
Capacity at 3/8 Inch (in) Static Pressure	N/A 3455 ft³/min
Capacity at 1/2 Inch (in) Static Pressure	N/A 3132 ft³/min
Capacity at 3/4 Inch (in) Static Pressure	N/A 1939 ft³/min

N/A

Ruggedly constructed steel base including rolled venturi section standard. Galvanized damper section.
Cast aluminum propellers on most models. See fan performance chart for those using steel propellers.
Only industrial quality motors are used. Available in TEFC & Explosion Proof.

N/A

Protective Coatings - Epoxy or Eisenheiss provide good protection against corrosive agents. Hot dip galvanize also available.
Prefabricated Curbs - For flat, sloping, or apex roofs. Minimum 8" curb height.
Disconnect Switch.

N/A Type X and S propellers are Steel.

Type CA propellers are Cast Aluminum.