Industrial exhaust fans are available from a size of 05 (with a 9 inch impeller) to a size of 54 (with a 93 inch impeller). Standard class constructions are 15K, 19K and 22K. Fans can be designed for tip speeds in excess of 3000 fpm on a custom basis. The maximum operating temperature is up to 1500 degrees Fahrenheit.
Our belt drive configurations that are available include: Arrangement 1, 1 BM, 2, 9 and 9V (Vertical fan shaft) and 10. Maximum motor horsepower in a standard belt drive is 250 HP. Higher horsepower can be achieved through a belt driven system with or without jack shaft assemblies, on a custom designed basis.
Direct Drive arrangements 4 and 4V (vertical motor shaft) can be utilized on fan sizes up to 23. Larger fans generally utilize arrangement 7 and 8 where large frame motors are designed to be mounted on an integral motor base.
Daltec offers three impeller designs in our family of Industrial Exhaust Fans; the DAW, DMW and DMW-CT classes.
The DAW class is a high efficiency impeller suitable for light to medium dust loadings. Where as the DMW is a heavy duty impeller more suited for heavy dust loadings and material conveying. Finally, the extremely rugged DMW-CT is used for applications where air stream includes paper trim or long stringy materials.
