DuroFlow 4512
Positive Displacement Blowers & Vacuum Pumps
Replaces the 412 Roots-Flo Howden/Roots and 4512 DF from Tuthill
Category:
Positive Displacement Blowers & Vacuum Pumps >
DuroFlow
Manufacturer: Gardner Denver
Model Numbers
Latest Revision: D Series
| Model | Catalog Number |
|---|---|
| GGDDDDA | 4512-HR |
| GGDDCDA | 4512-HL |
| GGDDBDA | 4512-VB |
| GGDDADA | 4512-VT |
Previous Revisions
| C Series | GGDDACA, GGDDCCA, GGDDBCA, GGDDDCA |
| B Series | GGDDABA, GGDDCBA, GGDDBBA, GGDDDBA |
Timing & Configuration
Units are centrally timed but can only be converted to from VT to HL and VB to HR or vice versa as shown below.

Documentation
Brochures
Performance Curves
Operating & Service Manuals
See Operating & Service Manual for lubrication estimates. Proper oil level is ½ way up the sight glass while the unit is not running.
The latest Operating & Service Manual is on this page; for previous manuals please contact C. Emery Nelson, Inc.
Operating Specifications
| Max. RPM: | 4000 |
| Min. RPM Vertical: | 1272 |
| Min. RPM Horizontal: | 907 |
| Max. Pressure: | 15 PSI |
| Max. Vacuum: | 16 IN HG |
| Max. Temp. Rise: | 250°F |
| Max. Discharge Temp.: | 350°F |
