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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

Typically in Stock – Contact for Availability

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.

orientation diagram

Documentation

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

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