Gardner Denver manufactures Positive Displacement rotary lobe blowers and complete packaged systems for applications ranging from 22” Hg vacuum to 36 psi pressure. Gardner Denver offers many different series of lobe blower, from general purpose, to engineered designs for specific applications.

All models except Cycloblowers can be configured for vertical or horizontal air flow. Cycloblower models are vertical air flow only.

Gas versions of most models, with special seals for handling corrosive gases, are also available

Ober-Read is the stocking distributor for New England for Gardner Denver blowers, parts, and accessories. We can provide packaged blower systems, including blower, motor, pulleys and belts, base, inlet and discharge silencers, filters, check valves, pressure gages and relief valves to handle most installation needs.

GD Family Blowers Brochure

Sutorbilt Legend Series

2 Lobe – Straight Design – General purpose blower.

Models: 7 gear sizes (2-8 inch), 3 lobe lengths for each size
Capacity: 3015 SCFM Max Flow
Vacuum / Pressure Max: 16” Hg / 15 psi
Applications: Wastewater Aeration, Pneumatic Conveying (cement, lime, dry chemicals, bulk foods, plastics), Soil Vapor Extraction.

Sutorbilt Legend Brochure

Sutorbilt Q – Quite Series

2 Lobe – Straight Design with reduced pulsation.

Enhanced version of standard Legend blower with 5 dBA reduction at a given performance due to internal bleed-back feature.

Models: 4 gear sizes (3-6 inch), 1-2 lobe lengths for each size
Capacity: 815 SCFM Max Flow
Vacuum / Pressure Max: 16” Hg / 15 psi
Applications: All Legend applications where the environment demands a reduced noise level.

Sutorbilt Q – Quite Series Brochure

Sutorbilt 4500 Series

2 Lobe Straight Design – Medium Flow Series.

Models: 4 gear sizes (6-8 inch), 4 lobe lengths for each size
Capacity: 3929 SCFM Max Flow
Vacuum / Pressure Max: 16” Hg / 15 psi
Applications: All Legend applications requiring higher flowrates, wood chip conveying for pulp/paper plants, Methane Gas Recovery, Fly Ash in Power Plants.

Sutorbilt 4500 Brochure

Sutorbilt 8000/8000Q Series

2 lobe Straight Design – High Flow Series with optional Q-Quiet design on many larger models.

Options include mechanical seals, water injection, pressure lube system, and hi-temp clearances.

Models: 7 gear sizes (10-22 inch), 2-5 lobe lengths for each size
Capacity: 950-26,175 SCFM Max Flow
Vacuum / Pressure Max: 16” Hg / 20 psi
Applications: All Legend applications requiring highest flowrates, wood chip conveying for pulp/paper plants, Methane Gas Recovery, Fly Ash in Power Plants.

Sutorbilt 8000 10-12 Inch Sizes
Sutorbilt 8000 14-22 inch Sizes

Duroflow Series

2 lobe Straight Design – Rugged Duty.

Models: 3 gear sizes (3-7 inch), 2-6 lobe lengths for each size
Capacity: 4282 SCFM Max Flow
Vacuum / Pressure Max: 16” Hg / 15 psi
Applications: Wastewater Aeration, Pneumatic Conveying (cement, lime, dry chemicals, bulk foods, plastics), Soil Vapor Extraction.

Duroflow Brochure

Tri-Flow Series

3 lobe Straight Design for Vacuum applications – Reduced pulsation.

Models: 1 gear size (4 inch), 3 lobe lengths
Capacity: 700 SCFM Max Flow
Vacuum Max: 16” Hg
Applications: OEM applications, truck mount, carpet cleaning, vacuum conveying.

Tri-Flow Brochure

Heliflow Series

2 Lobe Twisted (Helix) Design – Higher pressire/lower vacuum applications, Improved efficiency, reduced noise.

Models: 4 gear sizes (4-8 inch), 1-3 lobe lengths for each size
Capacity: 4365 SCFM Max Flow
Vacuum / Pressure Max: 17” Hg / 18 psi
Applications: Wastewater Aeration, Pneumatic Conveying (cement, lime, dry chemicals, bulk foods, plastics), Carpet Cleaning vehicles.

HeliFlow Brochure
Heliflow Video

Cycloblower Series

2 Lobe 4:2 Screw Design – Super Rugged design, higher pressure and vacuum applications. Reduced power consumption and noise.

Models: 5 gear sizes (3-11 inch), 3 lobe lengths for each size
Capacity: 6700 SCFM Max Flow
Vacuum / Pressure Max: 17” Hg / 20 psi (24” Hg wet vacuum)
Applications: Wastewater Aeration, Wood Chip conveying for pulp/paper plants, Methane Gas Recovery, Fly Ash in Power Plants.

Cycloblower Brochure

Cycloblower VHX Series

2 Lobe 5:3 Screw Design, Variable Helix with Internal Compression – Enhanced rotor design provides higher pressure and vacuum, with up to 25%. improved power consumption efficiency. Leading technology in PD lobe blowers. Teflon coated cylinder available.

Models: 1 gear size (5 inch), 2 rotor tolerance options
Capacity: 760 SCFM Max Flow
Vacuum / Pressure Max: 18” Hg / 20 psi
Applications: Wastewater Aeration, Pneumatic Conveying systems requiring higher pressure/vacuum.

Cycloblower VHX Brochure
Cycloblower VHX Video

Cycloblower HE Series

2 Lobe 5:3 Screw Design With Internal Compression – Enhanced rotor design provides higher pressure and vacuum, with up to 25%.improved power consumption efficiency. Leading technology in PD lobe blowers. Teflon coated cylinder available.

Models: 3 gear sizes (6-10 inch),  3 rotor tolerance options for each model
Capacity: 6200 SCFM Max Flow
Vacuum / Pressure Max: 22” Hg / 36 psi
Applications: Wastewater Aeration, Wood Chip conveying for pulp/paper plants, Methane Gas Recovery, Fly Ash in Power Plants.

Cycloblower HE Brochure
Cycloblower HE Video

IQ Enclosed Blower Systems

Gardner Denver IQ series enclosed packages provide a complete standard system for Tri-Lobe and Cycloblower HE series blowers. These SMART systems provide the minimum noise, maximum efficiency with VFD motor drives, and feedback monitoring controls.

IQ Blower Systems Brochure

Accessories

Ober-Read Sutorbilt Blower Packages

Ober-Read Blower Packages

Aeon PD Oil and Aeon PD Grease

Specifically developed for use in all Gardner Denver Lobe Blowers.

Aeon PD Oil
Aeon PD Grease