Industrial Positive Displacement Blowers & Vacuum Pumps

Positive displacement blowers, oftentimes called “pd blowers”, are utilized to move air through a wide variety of industrial applications such as chemical, agriculture, bulk transport and more.

The selection of positive displacement blowers built by Gardner Denver is second to none and includes:

  • Straight bi-lobe blowers

  • Straight tri-lobe blowers

  • Twisted tri-lobe blowers

  • Helical screw blowers

  • Blower packages

No matter if your job calls for individual blowers or blower packages, Gardner Denver has the technology you need. From our legendary Sutorbilt name, to the rugged and reliable Duroflow and all the way up to the superior Cycloblower, Gardner Denver has the best positive displacement blower selection and technology in the industry.

Straight Bi-Lobe Blowers

Sutorbilt Legend Blower
The Sutorbilt Legend Series has been synonymous with quality and reliability. The Sutorbilt line is at the heart of an ever-expanding variety of air solutions working every minute of every day around the globe.
Sutorbilt Legend DSL Bi-Lobe Blower
The Legend DSL integrates proven experience with world-class blower design and manufacturing to create a product worth of the "Legend" name. The innovative Legend DSL improves blower life and allows for easier maintenance. This dual splash lubrication blower design enhances the superior and consistent quality expected from a Gardner Denver blower.
Bi-Lobe Blower Technology
Gardner Denver’s 4500 Series of rotary PD blowers and vacuum pumps are the result of more than seventy-five years experience in the design, manufacturing, and support of superior industrial blowers. The 4500 Series’ proven design features provide longer life, simplified maintenance, and reduced service intervals.
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Sutorbilt® 8000 Series PD Blowers
Big air applications require highly engineered machines that can handle the job. The Sutorbilt 8000 Series PD blowers and vacuum pumps are synonymous with large flow applications. Every 8000 lives up to the Sutorbilt reputation of quality and reliability making it an industry leader in its class.
DuroFlow PD Blowers
DuroFlow PD blowers and vacuum pumps have combined durable technology and on-the-job experience to deliver clean, oil-free air. Efficient performance being able to be applied over various industries is a great benefit of the DuroFlow.
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Straight Bi-Lobe Blowers

Solid Tri-Lobe Blowers RBS Series
Gardner Denver RBS PD blowers and vacuum pumps have combined leading-edge technology and on-the-job experience to continuously deliver this enhanced design and improved performance.
The TriFlow Series PD Blower and vac
The TriFlow Series PD Blower and vacuum pump technology is shaping the standards of performance and reliability. Each unit is engineered for a wide range of commercial and industrial applications.
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Twisted Tri-Lobe Blowers

Twisted Tri-Lobe Blower HeliFlow®
Its all about the Pulse. Reduced Pulsations = Lower Noise = Quieter Operation
The HeliFlow Industrial Series integrates proven experience with blower design and manufacturing techniques to create an innovative low noise solution for positive displacement blower and vacuum pump applications.
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Straight Bi-Lobe Blowers

3x5 Variable Helix Screw Blower
The demand for energy savings is higher than ever. As energy costs continue to rise and significantly impact manufacturer’s bottom line, the demand for more efficient technology grows. Thankfully, our extensive research has been translated into constant innovation; providing our customers with never before seen screw blower efficiency levels.
CycloBlower H.E. Series Screw Blower
High pressure capabilities compounded with a money saving design has helped the CycloBlower Series become the front runner in the blower industry. The game changing, patented design delivers a new level of efficiency and performance. This screw blower provides our customers with competitive advantages and savings you won’t find anywhere else in the blower market.
Variable Helix Screw CycloBlower VHX
Gardner Denver’s 4500 Series of rotary PD blowers and vacuum pumps are the result of more than seventy-five years experience in the design, manufacturing, and support of superior industrial blowers. The 4500 Series’ proven design features provide longer life, simplified maintenance, and reduced service intervals.
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Common Types of Positive Displacement Blowers

The different types of positive displacement blowers may differ in their construction or operation but all are designed to assist with the movement of materials. PD blowers simply trap and then discharge air to propel materials through pipe or hose which makes bulk transport a quicker and more efficient operation.

Straight Bi-Lobe Blowers - employ two figure eight rotors (or lobes) that rotate

Straight Tri-Lobe Blowers - utilizes straight rotors with three lobe design, less noisy and lower pulsation compared to bi-lobe

Twisted Tri-Lobe Blowers - has helical tri-lobe rotors, smoother pulse operation to extend the life of the bearings

Helical Screw Blowers - helical rotors with unique screw design for superior energy savings

Blower Packages - Plug and play simplifies installation and enclosures cuts down on noise levels

Description of Positive Displacement Blower Operation

Positive displacement blowers discharge air out into a pipe or hose in order to move materials. Rotors revolve and air is pulled into the inlet port, air is forced into tight areas between the rotors and casing then is forced to the outlet pipe (or hose). The term “positive displacement” comes from the fact that the volume of air doesn’t change within the blower but is displaced from one end to the other during operation.

Some of the most common industries that utilize positive displacement blowers include:

  • Aquaculture

  • Chemical

  • Dairy

  • Cement

  • Oil & Gas

  • Pulp & Paper

  • Power Generation

  • Dry Bulk

  • Milling

  • Plastics

  • Environmental

High Vacuum

GD-DV Solid Straight Tri-Lobe blower
The Solid Straight Tri-Lobe Blower GD-DV series consists of 3 lobe rotary blower used as exhauster, without overheating thanks to a patented atmospheric air injection device. It can reach vacuum levels of up to 93% on a dead head - 28" Hg without the need to water inject or heat exchange. Another important advantage is the oil free operation.
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Blower Packages

IQ-HE Blower Package
Significantly reduce your energy bills with the factory direct IQ-HE blower package from Gardner Denver. This high performance package delivers maximum capacities and high pressure capabilities with minimum energy consumption. In addition to its efficient performance, the IQ-HE's patented design provides simplified maintenance features and quiet operation.
IQ Blower Package (7.5-110HP)
This 7.5 – 100 HP factory direct blower package from the trusted solutions provider to the PD Blower and Vacuum Pump Marketplace. A quiet operating environment as well as highly efficient energy levels is obtainable with the IQ.
Helical Screw Blower Package IQ-HE
Significantly reduce your energy bills with the factory direct IQ-HE blower package from Gardner Denver. This high performance package delivers maximum capacities and high pressure capabilities with minimum energy consumption. In addition to its efficient performance, the IQ-HE's patented design provides simplified maintenance features and quiet operation.
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