Equalizer 4509 Blower from MD Pneumatics / Tuthill
The Equalizer 4509 DF Positive Displacement Blower is a model from Tuthill’s M-D Pneumatics division.
These units are designed to be interchangeable with equivalent ROOTS-FLO® and Duroflow models. pdblowers is the largest distributor for Howden Roots, the top manufacturer of positive displacement blowers, and we keep many Roots ROOTS-FLO blowers in stock and ready to ship. We also offer repair services for the Tuthill MD Equalizer blowers. Click here to learn more about Equalizer 4509 blower repair.
The Roots equivalent for a 4509 blower is the Roots 409 ROOTS-FLO, 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 409 ROOTS-FLO blower.
MD Equalizer 4509 vs ROOTS-FLO 409
|Equalizer 4509||ROOTS-FLO 409|
|Flow Range:||to 861 CFM||to 900 CFM|
|Max Δ Pressure:||18 psig||15 psi|
|Max Δ Vacuum:||16″ Hg||16″ Hg|
|Connection:||4″ or 5″ NPT*||4″ or 5″ NPT*|
|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|
|Unit Weight:||320 lb||280 lb|
*These units use bolt-on adapters for their connections
Tuthill Model Numbers
Model numbers consist of 13-15 characters and will be stamped on a nameplate attached to the blower, along with the unique serial and year of manufacture. The first four characters of the model number indicate gear diameter and rotor length. The remainder of the characters indicate other blower configuration options including the types of lubrication and seals, lobes, drive location, blower materials, etc. An example part number is 4509-A4L2CV3-A