M-D Pneumatics

Equalizer 4504 DF

Replaces the Roots-Flo 404 from Howden Roots and the Duroflow 4504 from Gardner Denver

M-D Pneumatics Equalizer DF series pneumatic blower and vacuum pump

Model Numbers

Current Model Number Previous Model Number
Dual Splash Lube, Bilobe
4504-A3B2CV3-A 4504-17B2
4504-A3T2CV3-A 4504-17T2
4504-A3L2CV3-A 4504-46L2
4504-A3R2CV3-A 4504-46R2
Connectors not included
Please contact Pneu-Vac Air for additional model number information.

Flow by Direction and Rotation

vertical and horizontal flow direction diagram by orientation

Documentation

Brochures

Performance Curves

Operating & Service Manuals

Drawings

See Operator’s Manual for lubrication estimate; proper oil level is ½ way up the sight glass(es) while the unit is not running. The latest IO&M version is on this page; for earlier revisions please contact Pneu-Vac Air, LLC.

Operating Specifications

Max. RPM: 4000
Max. Pressure: 18 PSI
Max. Vacuum: 16 IN HG
Max. Temp. Rise: 290 °F
Approx. Weight – Bare Pump: Not available