What do Duroflow model numbers mean?

Like most blowers, the model number of a Duroflow blower contains identifying information about the size and characteristics of the blower.  You can find the model number stamped on the metal nameplate affixed to the blower. Here are two examples of Gardner Denver blower nameplates:

Duroflow 7015 nameplate Duroflow 4512 blower nameplate


Gardner Denver model numbers are 7 characters, with each character representing an additional piece of information about the unit.  An additional 4 digits may be added at the end to indicate any special modifications.  Use the chart below to determine what your model number means:

DuroFlow model number chart