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The Gardner Denver™ DuroFlow® Family of Products

For nearly fifty years, Gardner Denver™ DuroFlow® positive displacement blowers/ vacuum pumps have combined leading-edge technology and on-the-job experience to continuously deliver enhanced designs and improved performance.
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DuroFlow® Industrial 30 Series Model 3004 and 3006 Positive Displacement Blower with Vacuum Pump

DuroFlow® Industrial 30 Series Model 3004 Positive Displacement Blower with Vacuum Pump
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DuroFlow® Industrial 30 Series Model 3004 and 3006 Positive Displacement Blower with Vacuum Pump

DuroFlow® Industrial 30 Series Model 3006 Positive Displacement Blower with Vacuum Pump
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DuroFlow® Industrial 45 Series Model 4504 Positive Displacement Blower with Vacuum Pump

DuroFlow® Industrial 45 Series Model 4504 Positive Displacement Blower with Vacuum Pump
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DuroFlow® Industrial 45 Series Model 4506 Positive Displacement Blower with Vacuum Pump

DuroFlow® Industrial 45 Series Model 4506 Positive Displacement Blower with Vacuum Pump
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DuroFlow® Industrial 45 Series Model 4509 Positive Displacement Blower with Vacuum Pump

DuroFlow® Industrial 45 Series Model 4509 Positive Displacement Blower with Vacuum Pump
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Description N/A The Gardner Denver™ DuroFlow® Family of Products

For nearly fifty years, Gardner Denver™ DuroFlow® positive displacement blowers/ vacuum pumps have combined leading-edge technology and on-the-job experience to continuously deliver enhanced designs and improved performance.
Weight N/A 90 lb N/A 110 lb N/A 190 lb N/A 220 lb N/A 260 lb
Port Size Connection N/A 2.5 in N/A 3 in N/A 4 in N/A 4 in N/A 4 in5 in
Connection Type N/A NPT
Shaft Diameter N/A 1.00 in N/A 1.00 in N/A 1.44 in N/A 1.44 in N/A 1.44 in
Mounting Bolt Hole Diameter N/A 0.56 in N/A 0.56 in N/A 0.69 in N/A 0.69 in N/A 0.69 in
A N/A 17.20 in N/A 19.20 in N/A 18.01 in N/A 21.51 in N/A 24.45 in
B N/A 11.62 in N/A 11.62 in N/A 17.54 in N/A 17.54 in N/A 17.54 in
C N/A 8.91 in N/A 8.81 in N/A 11.88 in N/A 11.88 in N/A 11.88 in
D N/A 2.06 in N/A 2.06 in N/A 3.43 in N/A 4.93 in N/A 4.93 in
E N/A 8.82 in N/A 8.82 in N/A 9.75 in N/A 9.75 in N/A 9.75 in
F N/A 12.50 in N/A 12.50 in N/A 17.50 in N/A 17.50 in N/A 17.50 in
G N/A 4.00 in N/A 5.50 in N/A 4.87 in N/A 6.87 in N/A 6.87 in
H N/A 9.00 in N/A 9.00 in N/A 11.50 in N/A 11.50 in N/A 11.50 in
J N/A 4.00 in N/A 5.50 in N/A 5.00 in N/A 7.00 in N/A 7.00 in
K N/A 8.06 in N/A 8.06 in N/A 11.35 in N/A 11.35 in N/A 11.35 in
L N/A 4.50 in N/A 4.50 in N/A 5.62 in N/A 5.62 in N/A 5.62 in
M N/A 6.56 in N/A 6.56 in N/A 9.10 in N/A 9.10 in N/A 9.10 in
N N/A 8.36 in N/A 9.36 in N/A 10.05 in N/A 12.55 in N/A 14.03 in
P N/A 1.50 in N/A 1.50 in N/A 2.25 in N/A 2.25 in N/A 2.25 in
Q N/A 4.41 in N/A 4.31 in N/A 4.87 in N/A 4.87 in N/A 4.87 in
R N/A 6.25 in N/A 6.25 in N/A 8.75 in N/A 8.75 in N/A 8.75 in
S N/A 2.00 in N/A 2.75 in N/A 3.50 in N/A 3.50 in N/A 3.50 in
T N/A 4.50 in N/A 4.50 in N/A 5.75 in N/A 5.75 in N/A 5.75 in
U N/A N/A N/A 2.44 in N/A 3.44 in N/A 3.44 in
V N/A N/A N/A 3.00 in N/A 3.50 in N/A 3.50 in
Speed for Pressure Performance N/A 2950 rpm3550 rpm4000 rpm N/A 2950 rpm3550 rpm4000 rpm N/A 1750 rpm2950 rpm4000 rpm N/A 1750 rpm2950 rpm4000 rpm N/A 1750 rpm2950 rpm4000 rpm
Airflow at 4 psig Pressure and 2950 rpm Speed N/A 2.5 bhp94 ft³/min N/A 3.7 bhp146 ft³/min N/A 7.3 bhp271 ft³/min N/A 10.5 bhp415 ft³/min N/A 16.3 bhp626 ft³/min
Airflow at 4 psig Pressure and 3550 rpm Speed N/A 3.1 bhp121 ft³/min N/A 4.6 bhp186 ft³/min N/A N/A N/A
Airflow at 4 psig Pressure and 4000 rpm Speed N/A 3.6 bhp141 ft³/min N/A 5.2 bhp217 ft³/min N/A 11.6 bhp389 ft³/min N/A 16.3 bhp592 ft³/min N/A 25.8 bhp891 ft³/min
Airflow at 6 psig Pressure and 2950 rpm Speed N/A 3.7 bhp85 ft³/min N/A 5.4 bhp133 ft³/min N/A 10.2 bhp258 ft³/min N/A 14.8 bhp397 ft³/min N/A 22.7 bhp600 ft³/min
Airflow at 6 psig Pressure and 3550 rpm Speed N/A 4.5 bhp112 ft³/min N/A 6.7 bhp174 ft³/min N/A N/A N/A
Airflow at 6 psig Pressure and 4000 rpm Speed N/A 5.2 bhp133 ft³/min N/A 7.6 bhp205 ft³/min N/A 15.5 bhp375 ft³/min N/A 22.2 bhp574 ft³/min N/A 34.6 bhp864 ft³/min
Airflow at 8 psig Pressure and 2950 rpm Speed N/A 4.8 bhp78 ft³/min N/A 7.2 bhp123 ft³/min N/A 13.0 bhp247 ft³/min N/A 19.1 bhp382 ft³/min N/A 29.2 bhp577 ft³/min
Airflow at 8 psig Pressure and 3550 rpm Speed N/A 5.9 bhp105 ft³/min N/A 8.8 bhp164 ft³/min N/A N/A N/A
Airflow at 8 psig Pressure and 4000 rpm Speed N/A 6.8 bhp125 ft³/min N/A 10.0 bhp194 ft³/min N/A 19.4 bhp364 ft³/min N/A 28.0 bhp559 ft³/min N/A 43.4 bhp842 ft³/min
Airflow at 10 psig Pressure and 2950 rpm Speed N/A 6.0 bhp72 ft³/min N/A 8.9 bhp114 ft³/min N/A 15.9 bhp237 ft³/min N/A 23.5 bhp369 ft³/min N/A 35.7 bhp558 ft³/min
Airflow at 10 psig Pressure and 3550 rpm Speed N/A 7.3 bhp99 ft³/min N/A 10.9 bhp154 ft³/min N/A N/A N/A
Airflow at 10 psig Pressure and 4000 rpm Speed N/A 8.3 bhp119 ft³/min N/A 12.4 bhp185 ft³/min N/A 23.3 bhp354 ft³/min N/A 33.9 bhp545 ft³/min N/A 52.1 bhp822 ft³/min
Airflow at 12 psig Pressure and 2950 rpm Speed N/A 7.1 bhp66 ft³/min N/A 10.7 bhp105 ft³/min N/A 18.8 bhp228 ft³/min N/A 27.8 bhp357 ft³/min N/A 42.2 bhp540 ft³/min
Airflow at 12 psig Pressure and 3550 rpm Speed N/A 8.7 bhp93 ft³/min N/A 13.0 bhp146 ft³/min N/A N/A N/A
Airflow at 12 psig Pressure and 4000 rpm Speed N/A 9.9 bhp113 ft³/min N/A 14.7 bhp177 ft³/min N/A 27.2 bhp345 ft³/min N/A 39.8 bhp533 ft³/min N/A 60.9 bhp805 ft³/min
Airflow at 15 psig Pressure and 2950 rpm Speed N/A N/A N/A 23.1 bhp216 ft³/min N/A 34.3 bhp340 ft³/min N/A 51.9 bhp516 ft³/min
Airflow at 15 psig Pressure and 3550 rpm Speed N/A 10.8 bhp85 ft³/min N/A 16.1 bhp135 ft³/min N/A N/A N/A
Airflow at 15 psig Pressure and 4000 rpm Speed N/A 12.3 bhp105 ft³/min N/A 18.3 bhp165 ft³/min N/A 33.1 bhp333 ft³/min N/A 48.5 bhp517 ft³/min N/A 74.1 bhp781 ft³/min
Airflow at 4 psig Pressure and 1750 rpm Speed N/A N/A N/A 3.7 bhp137 ft³/min N/A 5.5 bhp214 ft³/min N/A 8.4 bhp324 ft³/min
Airflow at 6 psig Pressure and 1750 rpm Speed N/A N/A N/A 5.4 bhp123 ft³/min N/A 8.1 bhp196 ft³/min N/A 12.2 bhp297 ft³/min
Airflow at 8 psig Pressure and 1750 rpm Speed N/A N/A N/A 7.2 bhp112 ft³/min N/A 10.6 bhp181 ft³/min N/A 16.1 bhp275 ft³/min
Airflow at 10 psig Pressure and 1750 rpm Speed N/A N/A N/A 8.9 bhp102 ft³/min N/A 13.2 bhp167 ft³/min N/A 19.9 bhp255 ft³/min
Airflow at 12 psig Pressure and 1750 rpm Speed N/A N/A N/A 10.6 bhp93 ft³/min N/A 15.8 bhp155 ft³/min N/A 23.8 bhp238 ft³/min
Airflow at 15 psig Pressure and 1750 rpm Speed N/A
Airflow at 4 psig Pressure and 1500 rpm Speed N/A
Airflow at 4 psig Pressure and 1800 rpm Speed N/A
Airflow at 4 psig Pressure and 2650 rpm Speed N/A
Airflow at 6 psig Pressure and 1500 rpm Speed N/A
Airflow at 6 psig Pressure and 1800 rpm Speed N/A
Airflow at 6 psig Pressure and 2650 rpm Speed N/A
Airflow at 8 psig Pressure and 1500 rpm Speed N/A
Airflow at 8 psig Pressure and 1800 rpm Speed N/A
Airflow at 8 psig Pressure and 2650 rpm Speed N/A
Airflow at 10 psig Pressure and 1500 rpm Speed N/A
Airflow at 10 psig Pressure and 1800 rpm Speed N/A
Airflow at 10 psig Pressure and 2650 rpm Speed N/A
Airflow at 12 psig Pressure and 1500 rpm Speed N/A
Airflow at 12 psig Pressure and 1800 rpm Speed N/A
Airflow at 12 psig Pressure and 2650 rpm Speed N/A
Airflow at 15 psig Pressure and 1800 rpm Speed N/A
Airflow at 15 psig Pressure and 2650 rpm Speed N/A
Speed for Vacuum Performance N/A 2950 rpm3550 rpm4000 rpm N/A 2950 rpm3550 rpm4000 rpm N/A 1750 rpm2950 rpm4000 rpm N/A 1750 rpm2950 rpm4000 rpm N/A 1750 rpm2950 rpm4000 rpm
Airflow at 4 inHg Vacuum and 2950 rpm Speed N/A 1.3 bhp104 ft³/min N/A 1.9 bhp159 ft³/min N/A 4.2 bhp286 ft³/min N/A 5.8 bhp435 ft³/min N/A 9.2 bhp655 ft³/min
Airflow at 4 inHg Vacuum and 3550 rpm Speed N/A 1.7 bhp131 ft³/min N/A 2.4 bhp200 ft³/min N/A N/A N/A
Airflow at 4 inHg Vacuum and 4000 rpm Speed N/A 2.0 bhp151 ft³/min N/A 2.8 bhp231 ft³/min N/A 7.1 bhp403 ft³/min N/A 9.7 bhp611 ft³/min N/A 15.7 bhp919 ft³/min
Airflow at 6 inHg Vacuum and 2950 rpm Speed N/A 1.9 bhp96 ft³/min N/A 2.8 bhp148 ft³/min N/A 5.5 bhp273 ft³/min N/A 7.8 bhp418 ft³/min N/A 12.2 bhp631 ft³/min
Airflow at 6 inHg Vacuum and 3550 rpm Speed N/A 2.4 bhp123 ft³/min N/A 3.5 bhp189 ft³/min N/A N/A N/A
Airflow at 6 inHg Vacuum and 4000 rpm Speed N/A 2.8 bhp143 ft³/min N/A 4.0 bhp219 ft³/min N/A 8.8 bhp391 ft³/min N/A 12.3 bhp595 ft³/min N/A 19.5 bhp895 ft³/min
Airflow at 8 inHg Vacuum and 1500 rpm Speed N/A
Airflow at 8 inHg Vacuum and 1800 rpm Speed N/A
Airflow at 8 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 8 inHg Vacuum and 2950 rpm Speed N/A 2.5 bhp88 ft³/min N/A 3.6 bhp137 ft³/min N/A 6.8 bhp262 ft³/min N/A 9.8 bhp402 ft³/min N/A 15.1 bhp607 ft³/min
Airflow at 8 inHg Vacuum and 3550 rpm Speed N/A 3.1 bhp115 ft³/min N/A 4.5 bhp178 ft³/min N/A N/A N/A
Airflow at 8 inHg Vacuum and 4000 rpm Speed N/A 135 ft³/min3.6 bhp N/A 208 ft³/min5.2 bhp N/A 379 ft³/min10.5 bhp N/A 579 ft³/min14.9 bhp N/A 872 ft³/min23.3 bhp
Airflow at 10 inHg Vacuum and 2950 rpm Speed N/A 3.0 bhp80 ft³/min N/A 4.5 bhp126 ft³/min N/A 8.1 bhp250 ft³/min N/A 11.8 bhp386 ft³/min N/A 18.1 bhp584 ft³/min
Airflow at 10 inHg Vacuum and 3550 rpm Speed N/A 3.8 bhp107 ft³/min N/A 5.5 bhp167 ft³/min N/A N/A N/A
Airflow at 10 inHg Vacuum and 4000 rpm Speed N/A 4.4 bhp127 ft³/min N/A 6.3 bhp197 ft³/min N/A 12.1 bhp367 ft³/min N/A 17.5 bhp563 ft³/min N/A 27.0 bhp848 ft³/min
Airflow at 12 inHg Vacuum and 1500 rpm Speed N/A
Airflow at 12 inHg Vacuum and 1800 rpm Speed N/A
Airflow at 12 inHg Vacuum and 4000 rpm Speed N/A 119 ft³/min5.1 bhp N/A 186 ft³/min7.5 bhp N/A 355 ft³/min13.8 bhp N/A 546 ft³/min20.0 bhp N/A 824 ft³/min30.8 bhp
Airflow at 12 inHg Vacuum and 2950 rpm Speed N/A 3.6 bhp72 ft³/min N/A 5.4 bhp114 ft³/min N/A 9.4 bhp237 ft³/min N/A 13.8 bhp369 ft³/min N/A 21.1 bhp559 ft³/min
Airflow at 12 inHg Vacuum and 3550 rpm Speed N/A 4.5 bhp99 ft³/min N/A 6.6 bhp155 ft³/min N/A N/A N/A
Airflow at 14 inHg Vacuum and 2950 rpm Speed N/A N/A 6.2 bhp102 ft³/min N/A 10.7 bhp224 ft³/min N/A 15.8 bhp351 ft³/min N/A 24.0 bhp532 ft³/min
Airflow at 14 inHg Vacuum and 3550 rpm Speed N/A 5.1 bhp90 ft³/min N/A 7.6 bhp142 ft³/min N/A N/A N/A
Airflow at 14 inHg Vacuum and 4000 rpm Speed N/A 5.9 bhp100 ft³/min N/A 8.7 bhp173 ft³/min N/A 15.5 bhp341 ft³/min N/A 22.6 bhp527 ft³/min N/A 34.6 bhp797 ft³/min
Airflow at 15 inHg Vacuum and 2950 rpm Speed N/A N/A N/A N/A 16.8 bhp341 ft³/min N/A 25.5 bhp517 ft³/min
Airflow at 15 inHg Vacuum and 3550 rpm Speed N/A N/A 8.1 bhp136 ft³/min N/A N/A N/A
Airflow at 15 inHg Vacuum and 4000 rpm Speed N/A 6.3 bhp106 ft³/min N/A 9.2 bhp166 ft³/min N/A 16.3 bhp334 ft³/min N/A 23.9 bhp517 ft³/min N/A 36.5 bhp782 ft³/min
Airflow at 4 inHg Vacuum and 1750 rpm Speed N/A N/A N/A 2.0 bhp151 ft³/min N/A 2.9 bhp233 ft³/min N/A 4.4 bhp352 ft³/min
Airflow at 6 inHg Vacuum and 1750 rpm Speed N/A N/A N/A 2.8 bhp139 ft³/min N/A 4.1 bhp217 ft³/min N/A 6.2 bhp328 ft³/min
Airflow at 8 inHg Vacuum and 1750 rpm Speed N/A N/A N/A 3.6 bhp127 ft³/min N/A 5.3 bhp201 ft³/min N/A 8.1 bhp305 ft³/min
Airflow at 10 inHg Vacuum and 1750 rpm Speed N/A N/A N/A 4.4 bhp115 ft³/min N/A 6.6 bhp185 ft³/min N/A 9.9 bhp281 ft³/min
Airflow at 12 inHg Vacuum and 1750 rpm Speed N/A N/A N/A 5.2 bhp103 ft³/min N/A 7.8 bhp168 ft³/min N/A 11.7 bhp257 ft³/min
Airflow at 14 inHg Vacuum and 1750 rpm Speed N/A
Airflow at 4 inHg Vacuum and 1500 rpm Speed N/A
Airflow at 4 inHg Vacuum and 1800 rpm Speed N/A
Airflow at 4 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 6 inHg Vacuum and 1500 rpm Speed N/A
Airflow at 6 inHg Vacuum and 1800 rpm Speed N/A
Airflow at 6 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 10 inHg Vacuum and 1500 rpm Speed N/A
Airflow at 10 nHg Pressure and 1800 rpm Speed N/A
Airflow at 10 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 12 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 14 inHg Vacuum and 1500 rpm Speed N/A
Airflow at 14 inHgg Pressure and 1800 rpm Speed N/A
Airflow at 14 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 15 inHg Vacuum and 1800 rpm Speed N/A
Airflow at 15 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 16 inHg Vacuum and 2650 rpm Speed N/A
Airflow at 16 inHg Vacuum and 2950 rpm Speed N/A N/A N/A N/A 17.8 bhp330 ft³/min N/A 27.0 bhp502 ft³/min
Airflow at 16 inHg Vacuum and 4000 rpm Speed N/A N/A N/A 326 ft³/min17.1 bhp N/A 507 ft³/min25.2 bhp N/A 766 ft³/min38.4 bhp
Model N/A N/A N/A 5 sizes N/A 5 sizes N/A 5 sizes
Models for Competitor A N/A N/A N/A 4 sizes N/A 4 sizes N/A 4 sizes
Models for Competitor B N/A N/A N/A 4 sizes N/A 4 sizes N/A 4 sizes
Cylinder Design N/A One Piece Cylinder
Cylinder Design for Competitor A N/A Two Piece Cylinder
Cylinder Design for Competitor B N/A One Piece Cylinder
Cylinder Rib Design N/A Integral Cylinder Ribs N/A Integral Cylinder Ribs N/A N/A N/A Integral Cylinder Ribs
Cylinder Rib Design for Competitor A N/A Minimal Cylinder Ribs N/A Minimal Cylinder Ribs N/A N/A N/A Minimal Cylinder Ribs
Cylinder Rib Design for Competitor B N/A Minimal Cylinder Ribs N/A Minimal Cylinder Ribs N/A N/A N/A Minimal Cylinder Ribs
Drive End Bearings N/A Oversized Double Row Ball Angular Contact (Drive and Non-drive Shafts)
Drive End Bearings for Competitor A N/A Single Row Ball (Non-Drive Shaft)
Drive End Bearings for Competitor B N/A Cylindrical Roller
Dual Splash Lubrication N/A Common Oil Sump
Dual Splash Lubrication for Competitor A N/A Separate Oil Reservoirs
Dual Splash Lubrication for Competitor B N/A Separate Oil Reservoirs
Gear End Bearings N/A N/A N/A Roller Bearing N/A Roller Bearing N/A Roller Bearing
Gear End Bearings for Competitor A N/A N/A N/A Single Row Ball N/A Single Row Ball N/A Single Row Ball
Gear End Bearings for Competitor B N/A N/A N/A Double Row Ball N/A Double Row Ball N/A Double Row Ball
Gear Type N/A Helical
Gear Type for Competitor A N/A Straight Spur
Gear Type for Competitor B N/A Helical
Gear Attachments N/A Spline Gear Fit
Gear Attachments for Competitor A N/A Taper Gear Fit
Gear Attachments for Competitor B N/A Keyed Interference Fit
Impeller Tips N/A N/A N/A Serrated N/A Serrated N/A Serrated
Impeller Tips for Competitor A N/A N/A N/A Radius N/A Radius N/A Radius
Impeller Tips for Competitor B N/A N/A N/A Radius N/A Radius N/A Radius
Main Air Seal N/A N/A N/A Piston Ring N/A Piston Ring N/A Piston Ring
Main Air Seal for Competitor A N/A N/A N/A Piston Ring N/A Piston Ring N/A Piston Ring
Main Air Seal for Competitor B N/A N/A N/A Piston Ring N/A Piston Ring N/A Piston Ring
Main Oil Seal N/A N/A N/A Two Piston Ring Seals with Slinger and Groove N/A Two Piston Ring Seals with Slinger and Groove N/A Two Piston Ring Seals with Slinger and Groove
Main Oil Seal for Competitor A N/A N/A N/A Lip Seal N/A Lip Seal N/A Lip Seal
Main Oil Seal for Competitor B N/A N/A N/A Lip Seal N/A Lip Seal N/A Lip Seal
Shaft Seal and Seal Surface N/A Viton Lip Seal with O-Rings Wear Sleeve
Shaft Seal and Seal Surface for Competitor A N/A Viton Lip Seal on Shaft
Shaft Seal and Seal Surface for Competitor B N/A Lip Seal on Shaft
DuroFlow® Advantages for Models N/A N/A N/A Greater flow capacity N/A Greater flow capacity N/A Greater flow capacity
DuroFlow® Advantages for Cylinder Design N/A Easier assembly/Disassembly Ensures better tip clearance accuracy More rigid and durable Noise and pulsation dampening
DuroFlow® Advantages for Cylinder Rib Design N/A Improves heat dissipation Reduces torsion on cylinder N/A Improves heat dissipation Reduces torsion on cylinder N/A N/A N/A Improves heat dissipation Reduces torsion on cylinder
DuroFlow® Advantages for Drive End Bearings N/A Better equipped to handle radial and axial loads commonly caused by misaligned V-belt drives Increases bearing life
DuroFlow® Advantages for Dual Splash Lubrication N/A Simpler maintenance
DuroFlow® Advantages for Gear End Bearings N/A N/A N/A Increases bearing life N/A Increases bearing life N/A Increases bearing life
DuroFlow® Advantages for Gear Type N/A Quiet and smooth mechanical operation Reduces backlash
DuroFlow® Advantages for Gear Attachments N/A Eliminates timing loss and improves reliability
DuroFlow® Advantages for Impeller Tips N/A N/A N/A Cooler operating temperatures Improves performance Reduces power consumption N/A Cooler operating temperatures Improves performance Reduces power consumption N/A Cooler operating temperatures Improves performance Reduces power consumption
DuroFlow® Advantages for Main Air Seal N/A N/A N/A Less wear Longer seal life N/A Less wear Longer seal life N/A Less wear Longer seal life
DuroFlow® Advantages for Main Oil Seal N/A N/A N/A Superior oil sealing N/A Superior oil sealing N/A Superior oil sealing
DuroFlow® Advantages for Shaft Seal and Seal Surface N/A Extended shaft life Improves sealing method
Pressure N/A Up to 15 psig
Vacuum N/A Up to 16 inHg
Airflow N/A Up to 4282 ft³/min
Standard Temperature N/A 68 ºF
Ambient Pressure N/A 14.7 psia
Relative Humidity N/A 36 %
Industry N/A Aquaculture Cement & Lime Chemical Dairy Dry Bulk Hauling Environmental Services Industrial Milling & Baking Power Generation Pulp & Paper Resin & Plastic Vacuum Excavation Wastewater
Application for Aquaculture Industry N/A Aeration
Application for Cement and Lime Industry N/A Fluidization and Conveying
Application for Chemical Industry N/A Vacuum Processing and Conveying
Application for Dairy Industry N/A Automated Milking
Application for Dry Bulk Hauling Industry N/A Trailer Unloading and Aeration
Application for Environmental Services Industry N/A Sewer Cleaning and Portable Restroom Services
Application for Industrial Industry N/A Material Vacuuming
Application for Milling and Baking Industry N/A Blending and Conveying
Application for Power Generation Industry N/A Fly Ash Conveying and Aeration
Application for Pulp and Paper Industry N/A Chip Conveying and Process Vacuum
Application for Resin and Plastic Industry N/A Processing and Conveying
Application for Vacuum Excavation Industry N/A Potholing and Slurry Recovery
Application for Wastewater Industry N/A Aeration and Backwashing
Industry Standards/Certifications N/A Compressed Air and Gas Institute (CAGI) Energy Star Partner ISO 9001:2008
Brands N/A DuroFlow® Gardner Denver™
At-A-Glance Features N/A
  • Each model delivers clean, oil-free air to a wide range of industrial applications.
  • World-class engineering and design.
  • Manufactured under rigid ISO 9001 standards by quality craftspersons.
  • Exhaustively tested to meet strict performance criteria to ensure unequaled service life under the most severe operating conditions.
  • Available in the 30, 45 and 70 Series with various configurations and rotor lengths.
  • Horizontal or vertical mounting configuration available for each blower.
  • Supported by a worldwide network of trained professionals and backed by a manufacturer’s warranty
    • 18 months from the date of shipment or
    • 12 months from the date of installation, whichever occurs first
Durable N/A
  • Oversized bearings for added support and greater durability
    • Gear-end bearings support rotor shafts, while drive-end double-row angular contact ball bearings fix the rotor position.
    • Prevents destructive axial rotor movement commonly caused by misaligned V-belt drives.
  • Durable single-piece cast iron cylinder with integral ribs
    • Provides greater strength and rigidity.
    • Ribs improve heat dissipation and prevent distortion that can affect internal clearances reduce performance.
  • Innovative rotor/shaft design machined from a single, high-strength ductile iron casting and dynamically balanced
    • Assures extra strength and rigidity to handle maximum loads on a continuous basis without fatigue, deflection or vibration.
  • Solid rotors
    • Eliminates potential for vibration caused when hollow rotors become unbalanced due to build-up of ingested material inside the rotor cavities.
 		N/A
  • Oversized bearings for added support and greater durability
    • Gear-end bearings support rotor shafts, while drive-end double-row angular contact ball bearings fix the rotor position.
    • Prevents destructive axial rotor movement commonly caused by misaligned V-belt drives.
  • Durable single-piece cast iron cylinder with integral ribs
    • Provides greater strength and rigidity.
    • Ribs improve heat dissipation and prevent distortion that can affect internal clearances reduce performance.
  • Innovative rotor/shaft design machined from a single, high-strength ductile iron casting and dynamically balanced
    • Assures extra strength and rigidity to handle maximum loads on a continuous basis without fatigue, deflection or vibration.
  • Solid rotors
    • Eliminates potential for vibration caused when hollow rotors become unbalanced due to build-up of ingested material inside the rotor cavities.
 		N/A
  • Oversized bearings for added support and greater durability
    • Gear-end bearings support rotor shafts, while drive-end double-row angular contact ball bearings fix the rotor position.
    • Prevents destructive axial rotor movement commonly caused by misaligned V-belt drives.
  • Durable single-piece cast iron cylinder.
  • Innovative rotor/shaft design machined from a single, high-strength ductile iron casting and dynamically balanced
    • Assures extra strength and rigidity to handle maximum loads on a continuous basis without fatigue, deflection or vibration.
  • Solid rotors
    • Eliminates potential for vibration caused when hollow rotors become unbalanced due to build-up of ingested material inside the rotor cavities.
 		N/A
  • Oversized bearings for added support and greater durability
    • Gear-end bearings support rotor shafts, while drive-end double-row angular contact ball bearings fix the rotor position.
    • Prevents destructive axial rotor movement commonly caused by misaligned V-belt drives.
  • Durable single-piece cast iron cylinder.
  • Innovative rotor/shaft design machined from a single, high-strength ductile iron casting and dynamically balanced
    • Assures extra strength and rigidity to handle maximum loads on a continuous basis without fatigue, deflection or vibration.
  • Solid rotors
    • Eliminates potential for vibration caused when hollow rotors become unbalanced due to build-up of ingested material inside the rotor cavities.
 		N/A
  • Oversized bearings for added support and greater durability
    • Gear-end bearings support rotor shafts, while drive-end double-row angular contact ball bearings fix the rotor position.
    • Prevents destructive axial rotor movement commonly caused by misaligned V-belt drives.
  • Durable single-piece cast iron cylinder with integral ribs
    • Provides greater strength and rigidity.
    • Ribs improve heat dissipation and prevent distortion that can affect internal clearances reduce performance.
  • Innovative rotor/shaft design machined from a single, high-strength ductile iron casting and dynamically balanced
    • Assures extra strength and rigidity to handle maximum loads on a continuous basis without fatigue, deflection or vibration.
  • Solid rotors
    • Eliminates potential for vibration caused when hollow rotors become unbalanced due to build-up of ingested material inside the rotor cavities.
Reliable N/A
  • Dual Splash Lubrication
    • Provides superior gear and bearing lubrication for longer life at all operating conditions.
    • Reduces maintenance.
  • Timing gears are mounted on precision machined shaft splines
    • Assures secure non-slip rotor timing even under surge conditions or high torque start-up.
 		N/A
  • Dual Splash Lubrication
    • Provides superior gear and bearing lubrication for longer life at all operating conditions.
    • Reduces maintenance.
  • Timing gears are mounted on precision machined shaft splines
    • Assures secure non-slip rotor timing even under surge conditions or high torque start-up.
 		N/A
  • Dual Splash Lubrication
    • Provides superior gear and bearing lubrication for longer life at all operating conditions.
    • Reduces maintenance.
  • Advanced oil and air seal designs
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
    • Provides leak-free operation.
    • O-rings placed under the drive shaft wear sleeve creates better sealing and prolongs life of rotors.
  • Timing gears are mounted on precision machined shaft splines
    • Assures secure non-slip rotor timing even under surge conditions or high torque start-up.
 		N/A
  • Dual Splash Lubrication
    • Provides superior gear and bearing lubrication for longer life at all operating conditions.
    • Reduces maintenance.
  • Advanced oil and air seal designs
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
    • Provides leak-free operation.
    • O-rings placed under the drive shaft wear sleeve creates better sealing and prolongs life of rotors.
  • Timing gears are mounted on precision machined shaft splines
    • Assures secure non-slip rotor timing even under surge conditions or high torque start-up.
 		N/A
  • Dual Splash Lubrication
    • Provides superior gear and bearing lubrication for longer life at all operating conditions.
    • Reduces maintenance.
  • Advanced oil and air seal designs
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
    • Provides leak-free operation.
    • O-rings placed under the drive shaft wear sleeve creates better sealing and prolongs life of rotors.
  • Timing gears are mounted on precision machined shaft splines
    • Assures secure non-slip rotor timing even under surge conditions or high torque start-up.
Efficient N/A
  • Helical timing gears, precision machined from alloy steel forgings
    • Guarantees quiet and smooth mechanical operation at all speeds.
  • Noise Reduction
    • Extra cylinder mass and progressive porting aid in reducing noise.
  • Vertical or horizontal mounting configuration with each blower
    • Provides greater flexibility for installing into any new or existing system.
 		N/A
  • Helical timing gears, precision machined from alloy steel forgings
    • Guarantees quiet and smooth mechanical operation at all speeds.
  • Noise Reduction
    • Extra cylinder mass and progressive porting aid in reducing noise.
  • Vertical or horizontal mounting configuration with each blower
    • Provides greater flexibility for installing into any new or existing system.
 		N/A
  • Helical timing gears, precision machined from alloy steel forgings
    • Guarantees quiet and smooth mechanical operation at all speeds.
  • Innovative rotor profile with serrated tips
    • Increases blower efficiency and air sealing.
    • Reduces power consumption and cooler operating temperature.
  • Noise Reduction
    • Extra cylinder mass and progressive porting aid in reducing noise.
  • Vertical or horizontal mounting configuration with each blower
    • Provides greater flexibility for installing into any new or existing system.
 		N/A
  • Helical timing gears, precision machined from alloy steel forgings
    • Guarantees quiet and smooth mechanical operation at all speeds.
  • Innovative rotor profile with serrated tips
    • Increases blower efficiency and air sealing.
    • Reduces power consumption and cooler operating temperature.
  • Noise Reduction
    • Extra cylinder mass and progressive porting aid in reducing noise.
  • Vertical or horizontal mounting configuration with each blower
    • Provides greater flexibility for installing into any new or existing system.
 		N/A
  • Helical timing gears, precision machined from alloy steel forgings
    • Guarantees quiet and smooth mechanical operation at all speeds.
  • Innovative rotor profile with serrated tips
    • Increases blower efficiency and air sealing.
    • Reduces power consumption and cooler operating temperature.
  • Noise Reduction
    • Extra cylinder mass and progressive porting aid in reducing noise.
  • Vertical or horizontal mounting configuration with each blower
    • Provides greater flexibility for installing into any new or existing system.
Flex-Mount™ Design Provides Maximum Installation Versatility N/A
  • Flex-Mount™ Design and available porting connectors provide installation flexibility.
  • Assures interchangeability of existing installed DuroFlow® models or compatibility as replacement for most competitive models.
  • Reduces inventory requirements due to machine flexibility.
Genuine Gardner Denver™ Parts and Lubricants N/A
  • Maintain the Gardner Denver™ performance advantage and reliability with Genuine GD Replacement Parts.
  • Protect your Gardner Denver™ investment with AEON® PD, the only lubricant specially formulated for all blowers in any environment.
    • Now available:
      • AEON® PD-XD (eXtreme Duty)
      • Designed specifically for high ambient and high discharge temperature applications.
    • Also available:
      • AEON® PD (standard applications)
      • AEON® PD-FG (Food Grade)
Quality Promise N/A
  • Gardner Denver™ industrial blowers are manufactured under rigid ISO 9001 quality standards.
  • All models are thoroughly tested to meet the highest performance standards for unequaled service life under the most severe operating conditions.
45 Series Design Advantages N/A N/A N/A
  • Dual Splash Lubrication
    • Reliable splash lubrication at both gear and drive ends for longer product life.
  • Shaft Splines Assure Non-Slip Rotor Timing
    • Helical timing gears are mounted on shaft splines
    • Provides quiet and smooth mechanical operation at all speeds.
  • Improved Design Provides Leak-Free Operation
    • Advanced Oil and Air Seals.
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
  • Efficient Lubrication
    • Slinger ensures lubricant is distributed to gears and bearings.
  • Oversized Bearings for Added Support and Greater Durability
    • Drive-end double-row angular contact ball bearings fix the rotor position.
    • Gear-end roller bearings support each shaft.
 		N/A
  • Dual Splash Lubrication
    • Reliable splash lubrication at both gear and drive ends for longer product life.
  • Shaft Splines Assure Non-Slip Rotor Timing
    • Helical timing gears are mounted on shaft splines
    • Provides quiet and smooth mechanical operation at all speeds.
  • Improved Design Provides Leak-Free Operation
    • Advanced Oil and Air Seals.
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
  • Efficient Lubrication
    • Slinger ensures lubricant is distributed to gears and bearings.
  • Oversized Bearings for Added Support and Greater Durability
    • Drive-end double-row angular contact ball bearings fix the rotor position.
    • Gear-end roller bearings support each shaft.
 		N/A
  • Dual Splash Lubrication
    • Reliable splash lubrication at both gear and drive ends for longer product life.
  • Shaft Splines Assure Non-Slip Rotor Timing
    • Helical timing gears are mounted on shaft splines
    • Provides quiet and smooth mechanical operation at all speeds.
  • Improved Design Provides Leak-Free Operation
    • Advanced Oil and Air Seals.
    • Piston rings and flinger maximize seal life in continuous, severe duty applications.
  • Efficient Lubrication
    • Slinger ensures lubricant is distributed to gears and bearings.
  • Oversized Bearings for Added Support and Greater Durability
    • Drive-end double-row angular contact ball bearings fix the rotor position.
    • Gear-end roller bearings support each shaft.
Striving for More N/A N/A N/A
  • Solid Rotors Eliminate Potential for Vibration
    • Hollow rotors can become unbalanced due to build-up of ingested material inside the rotor.
  • Single Piece Cylinder Prevents Distortion
    • Heavy-duty reinforced cast iron cylinder retains internal clearances.
    • Provides greater strength and rigidity.
  • Cooler Operating Temperatures
    • Integral ribs improve heat dissipation and improve performance.
  • Durable Rotors and Shafts
    • Machined from a single, high-strength ductile iron casting.
    • Dynamically balanced.
  • Vertical or Horizontal Mounting Configuration
    • Flex-Mount™ design standard with each blower.
    • Flexibility for installing into any new or existing system.
  • Serrated Tips Reduce Power Consumption
    • Innovative rotor profile provides tighter clearances.
    • More air flow with less horsepower .
    • Precision machined with advanced CNC milling technology.
 		N/A
  • Solid Rotors Eliminate Potential for Vibration
    • Hollow rotors can become unbalanced due to build-up of ingested material inside the rotor.
  • Single Piece Cylinder Prevents Distortion
    • Heavy-duty reinforced cast iron cylinder retains internal clearances.
    • Provides greater strength and rigidity.
  • Cooler Operating Temperatures
    • Integral ribs improve heat dissipation and improve performance.
  • Durable Rotors and Shafts
    • Machined from a single, high-strength ductile iron casting.
    • Dynamically balanced.
  • Vertical or Horizontal Mounting Configuration
    • Flex-Mount™ design standard with each blower.
    • Flexibility for installing into any new or existing system.
  • Serrated Tips Reduce Power Consumption
    • Innovative rotor profile provides tighter clearances.
    • More air flow with less horsepower .
    • Precision machined with advanced CNC milling technology.
 		N/A
  • Solid Rotors Eliminate Potential for Vibration
    • Hollow rotors can become unbalanced due to build-up of ingested material inside the rotor.
  • Single Piece Cylinder Prevents Distortion
    • Heavy-duty reinforced cast iron cylinder retains internal clearances.
    • Provides greater strength and rigidity.
  • Cooler Operating Temperatures
    • Integral ribs improve heat dissipation and improve performance.
  • Durable Rotors and Shafts
    • Machined from a single, high-strength ductile iron casting.
    • Dynamically balanced.
  • Vertical or Horizontal Mounting Configuration
    • Flex-Mount™ design standard with each blower.
    • Flexibility for installing into any new or existing system.
  • Serrated Tips Reduce Power Consumption
    • Innovative rotor profile provides tighter clearances.
    • More air flow with less horsepower .
    • Precision machined with advanced CNC milling technology.
Additional Information N/A Experience Proven Results with Gardner Denver™ - the Leader in Durability, Reliability and Efficiency
Reman (re¯ man´) n. A Gardner Denver™ positive displacement blower expertly assembled from genuine remanufactured and new parts
  • Must pass a slip test and a full-load, hot run test before shipment
  • Standard new product warranty included
  • The final word when repair or replacement is required
Note N/A Performance based on inlet air at standard temperature of 68 ºF, an ambient pressure of 14.7 psia and 36% relative humidity.
For performance at non-standard conditions, contact your authorized Gardner Denver™ representative. 		N/A Performance based on inlet air at standard temperature of 68 ºF, an ambient pressure of 14.7 psia and 36% relative humidity.
For performance at non-standard conditions, contact your authorized Gardner Denver™ representative. 		N/A Reach Higher with the DuroFlow® 45 Series

Performance based on inlet air at standard temperature of 68 ºF, an ambient pressure of 14.7 psia and 36% relative humidity.
For performance at non-standard conditions, contact your authorized Gardner Denver™ representative. 		N/A Reach Higher with the DuroFlow® 45 Series

Performance based on inlet air at standard temperature of 68 ºF, an ambient pressure of 14.7 psia and 36% relative humidity.
For performance at non-standard conditions, contact your authorized Gardner Denver™ representative. 		N/A Reach Higher with the DuroFlow® 45 Series

Performance based on inlet air at standard temperature of 68 ºF, an ambient pressure of 14.7 psia and 36% relative humidity.
For performance at non-standard conditions, contact your authorized Gardner Denver™ representative.