Product Description

Equalizer 4609 Blower from MD Pneumatics / Tuthill

The Equalizer 4609 Positive Displacement Blower is a model from Tuthill’s M-D Pneumatics division.

These units are designed to be interchangeable with equivalent Roots™ RAM™ models.  pdblowers is the largest distributor for Howden Roots, the top manufacturer of positive displacement blowers, and we keep many Roots RAM blower in stock and ready to ship.  We also offer repair services for the Tuthill MD Equalizer blowers. Click here to learn more about Equalizer 4609 blower repair.

The Roots equivalent for a 4609 blower is the Roots 409 RAM, 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 RAM 409 blower.

MD Equalizer 4609 vs Roots RAM 409

Equalizer 4609 RAM 409
Flow Range: to 900 CFM
Max Δ Pressure: 18 psig 18 psi
Max Δ Vacuum: 16″ Hg 16″ Hg
Maximum RPM: 4000 4000
Minimum RPM: 850 850
Max ΔT: 260˚F 240˚F
Connection: 4″ NPT 4″ NPT
Shaft Dia.: 1.5″ 1.5″
Drive End Lubrication: Oil Oil
Gear End Lubrication: Oil Oil
Required Oil for Horizontal Unit: 49 ounces 55 ounces
Required Oil for Vertical Unit: 27 ounces 27 ounces
Unit Weight: 280 lb 340 lb

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 4609-A4L2CV2-A