Stainless Steel Roof Exhaust Fans (304 or 316 Stainless Steel)
Industrial facilities that routinely exhaust high concentrations of corrosive air (such as acid for example), should consider the use of Stainless Steel Roof Exhaust Fans (304 or 316 Stainless Steel). The grade of stainless steel is usually determined by the specific chemical and concentration. Stainless Steel Roof Exhaust Fans exhaust this contaminated air to the outside, and are conveniently located on the roof. Custom Built to your exact specifications. MADE IN THE USA.

High Quality American Made 304 or 316 Stainless Steel Upblast Roof Exhaust Fans. Custom sizes to 60″.
A company that specializes in the manufacture of 304 and 316 Stainless Steel Roof Exhaust Fans is Carl J. Bush Company – USA, and American Family Business since 1929. CJB Stainless Steel Roof Exhaust Fans manufactured with high quality AMERICAN-MADE Stainless Steel.
Hence, call them at (248) 276-8400.
Most noteworthy Belt Driven Models – motor located outside contaminated airstream. Air-tight sealed Belt Tube. Contaminated air can’t reach the belts, pulleys or motor. Direct Driven Fans have the motor directly in the airstream, and these motors are usually constructed of all stainless steel, or are coated with epoxy to protect the motor housing from corrosion.
Stainless Steel Roof Exhaust Fans CUSTOM BUILT – exact specifications
High Quality fabricated Stainless Steel propellers. Especially relevant, fan sizes 12″ to 60″. Most noteworthy, one Stainless Steel Flange welded on inlet. Hence can directly connected on ductwork. Damper section bolted to the top of the fan section, which contains Stainless Steel Butterfly Dampers (that open when the fan turns on, and closes weather tight when the fan turns off). Damper section removed from fan section by removing (8) bolts. As a result, with damper section removed, propeller accessed. Furthermore motor protected from weather with Stainless Steel Motor Cover. Hence removing the motor cover provides easy access to motor and belts. Also extended grease tubes allow for easy greasing of bearings.
Bearing are Pillow Block Type, and can handle up to 225 Deg. Fahrenheit. Special HIGH TEMPERATURE Construction is available, with bearings that can handle up to 400 Deg. Fahrenheit.
Integral CURB CAP BASE custom modified to fit an existing Roof Curb.
In conclusion, for more information on CJB Stainless Steel Roof Exhaust Fans, please click on the link below.
Model BRV-CS-SS – Upblast Roof Exhaust 304 or 316 Stainless Steel Fan – Belt Driven