DuroFlow 4509 Blower
The Gardner Denver Duroflow Positive Displacement Blower series is equivalent to the Roots-Flo series. pdblowers is a distributor and agent for Howden Roots, the top manufacturer of positive displacement blowers. We offer repair and replacement services for the Duroflow 4509 blower. Click here to learn more about Duroflow 4509 blower repair.
The Roots drop-in replacement for a Duroflow 4509 is the Roots-Flo 409, although it is always recommended to check your specific performance requirements when selecting a blower.
A basic comparison of specs is below; for more information or to buy online, click here for the Roots-Flo 409 blower.
DuroFlow 4509 vs Roots-Flo 409
|Duroflow 4509||RootsFlo 409|
|Flow Range:||to 919 CFM||to 900 CFM|
|Max Δ Pressure:||15 psi||15 psi|
|Max Δ Vacuum:||16″ Hg||16″ Hg|
|Connection:||4″ FPT||4″ or 5″ FPT|
|Drive End Lubrication:||Oil||Oil|
|Gear End Lubrication:||Oil||Oil|
|Required Oil for Horizontal Unit:||55 ounces||50 ounces|
|Required Oil for Vertical Unit:||29 ounces||30 ounces|
|Recommended Oil:||Aeon PD||Roots Synthetic|
|Unit Weight:||260 lb||280 lb|
DuroFlow Model Numbers
Model numbers consist of up to 11 characters and will be stamped on a nameplate on the blower.
Standard 4509 model numbers: GGDCADA, GGDCBDA, GGDCCDA, GGDCDDA