Rogers Machinery cares. We go above and beyond – every time – to keep your facility running smoothly and on schedule.

Let us treat you like family.

Our robust, American-made air compressors and vacuum pumps lead the industry in longevity and durability. You’ll be impressed with our large selection of efficient and reliable compressed air system products. We guarantee it!

Find out why our premium-quality systems are the most dependable on the market.

No cookie-cutter systems here. We have a large selection of products and the flexibility to create highly customized systems. Rogers Machinery serves a wide variety of industries and facilities – including ones like yours.

Let’s talk. We’d love to discuss what we can do for your facility.

We call the Pacific Northwest home, but we serve many domestic and international customers. Our reputation precedes us wherever we go, and we meet our customers wherever they are.

Learn more about our Pacific Northwest compressors and our locations nationwide.

We make a personal promise to each of our customers: to keep your system running – and running well. This is why we offer a 24/7 Parts & Service guarantee, so you won't have to worry about downtime.

We’re driven by our values, and always strive to do what’s best for our customers.

We are now offering free shipping on all Assembly Orders shipped to Georgia.

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Rogers started as a locally grown, family-owned business, building air compressor solutions right here in the USA, and has been for over 70 years.

We are proud to be a locally grown and American made company.

KNW overview page

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ROGERS KNW Series machines are designed, manufactured, assembled and tested to be the longest lasting and most energy efficient oil-free compressors in the world.

Superior Design, Superior Standards

The Rogers KNW Series assembly is designed and constructed to exacting quality standards. These standards result in assemblies with long operating life, minimum maintenance, and low operating costs.

Oil-Free, Risk Free

Rogers KNW Series rotary screw compressors deliver 100% oil-free air for your critical applications. 

Oil-free air allows you to produce the highest quality products, lower your costs, protect your employees and the environment across industries. Rogers KNW Series air compressors are the perfect oil-free solution. 

"Class Zero Oil-Free Air"

All models meet ISO 8573-1 Class 0 for oil aerosol, liquid, vapor and silicon.

Rogers Machinery Is Your Air Compressor Solution

  • If you want the freedom to customize a compressed air solution that works for your specific requirements. 

 

  • If you are looking for an air compressor that is reliable and has a proven history of performing in the most difficult of applications. 

 

  • If local manufacturing and 24/7 service support are important to you. 

 

  • If you are looking for ways to save energy and reduce overhead in your facility. 

KNW History

The Rogers KNW Series oil-free air compressor was developed in the early 1980's, when customers were demanding a new level of compressed air cleanliness.

It was about this time that Kobelco started a partnership with Rogers Machinery, who eventually fully developed the product that people throughout the world know as the Rogers KNW Series.

Now this product line is engineered, assembled, and tested at the Rogers Machinery corporate facility in Portland, Oregon. Kobelco Compressors Manufacturing Indiana (KCMI) supplies the air-end.

Rogers KNW Series Oil-Free Compressor built to last
  • This product price is available on request only

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Manufactured in Portland, Oregon USA
Need help? Call us:  1 503 639 0808

Product details

The Rogers KNW Series is our oil-free rotary screw air compressor that is designed, engineered and assembled Portland, Oregon.

  • Proven TechnologyROGERS KNW Series Rotary screw design is the preferred choice for reliability. energy efficiency and serviceabiity. The Rogers KNW Series oil-free compressors are designed with a 150,000 hour bearing life providing unparraled performance for your application.
    Two Stage DesignHeavy duty, two-stage compression module with thrust balancing for long bearing life in each stage. Designed, tested and manufactured in he USA. No other oil-free compressor manufacturer has made that commitment to the North American market.
    Coated RotorsASTM 1144 steel rotors with exclusive PTFE coating on rotors and shafts for maximum efficiency and corrosion protection. Gears and bearings are lubricated by a unique motor driven oil pump that provides positive lubrication prior to start-up, through operation and after shutdown. This is an especially important features for VFD module and not available on competitive offerings.
    Unique Design Features

    Key design features ensure long air end life. All features may not be available on competitive models.

    • Non-contact maintenance free air and oil seals
    • Thrust balance compensation
    • Cooling jackets
    • Duel vents-to-atmosphere ensure oil-free air
    • Vacuum degassed thrust and radial bearings
    • Premium AGMA rated gears
    • All models meet the requirements of NFPA 99 for use a medical air compressor

     

  • Flow (SCFM)72 - 2,400
    Power (HP)20 - 500
    Pressure (PSIG)40 - 150

  • Rogers KNW BrochureRogers KNW Brochures (Spanish)
  • View Rogers KNW Series case studies and blog posts.
Description
Proven TechnologyROGERS KNW Series Rotary screw design is the preferred choice for reliability. energy efficiency and serviceabiity. The Rogers KNW Series oil-free compressors are designed with a 150,000 hour bearing life providing unparraled performance for your application.
Two Stage DesignHeavy duty, two-stage compression module with thrust balancing for long bearing life in each stage. Designed, tested and manufactured in he USA. No other oil-free compressor manufacturer has made that commitment to the North American market.
Coated RotorsASTM 1144 steel rotors with exclusive PTFE coating on rotors and shafts for maximum efficiency and corrosion protection. Gears and bearings are lubricated by a unique motor driven oil pump that provides positive lubrication prior to start-up, through operation and after shutdown. This is an especially important features for VFD module and not available on competitive offerings.
Unique Design Features

Key design features ensure long air end life. All features may not be available on competitive models.

  • Non-contact maintenance free air and oil seals
  • Thrust balance compensation
  • Cooling jackets
  • Duel vents-to-atmosphere ensure oil-free air
  • Vacuum degassed thrust and radial bearings
  • Premium AGMA rated gears
  • All models meet the requirements of NFPA 99 for use a medical air compressor

 

Specifications
Flow (SCFM)72 - 2,400
Power (HP)20 - 500
Pressure (PSIG)40 - 150

Brochures
Rogers KNW BrochureRogers KNW Brochures (Spanish)
Articles
View Rogers KNW Series case studies and blog posts.

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