This large volume fan could be used as either as a blower or exhauster for dust control, collecting and conveying waste or raw materials, exhausting smoke, fumes, etc. It occupied a position midway between the steel pressure type and the larger steel plate/multivane types.
There were at least four distinct casing designs during the production run from the 1880s through the 1950s under the Westinghouse label.
- 10 sizes - capacities from 200 to 13,500 cfm
- pressures up to "14"
Dimensional and basic cfm performance table data available