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Kobelco oil-free KNW series industrial air compressor logo

Authorized Distributor & Service Center

100% Oil-Free. Zero Risk.

When product purity is critical, compromise is not an option. Kobelco is the global leader in Oil-Free Rotary Screw technology, delivering ISO 8573-1 Class 0 certified air.

Blackhawk Equipment is your authorized partner for Kobelco KNW Series compressors. We specialize in critical applications where air quality directly impacts product safety, serving the pharmaceutical, food & beverage, and electronics industries.

Why We Partner with Kobelco?

We partner with Kobelco because “oil-free” shouldn’t mean “maintenance-heavy.” Kobelco’s KNW Series is engineered with heavy-duty durability that rivals oil-flooded units, but without the risk of contamination.

Their patented rotor coating and advanced two-stage design provide the highest efficiency in the oil-free market, aligning with Blackhawk’s commitment to energy savings and process safety.

Explore Kobelco Technologies

Blackhawk Equipment offers the full range of Kobelco Oil-Free solutions.

KNW Series

Oil-Free Rotary Screw

The industry standard for oil-free air. Designed and built in the USA, the KNW Series offers pressures from 40 to 150 psig and motors up to 500 HP.

View KNW Series>

Energy Efficiency

VFD & Heat Recovery

Kobelco units feature premium efficiency motors and optional VFDs to match air supply to your fluctuating demand, saving thousands in energy costs.

View Energy Saving Options>

Critical Purity

Class 0 Certification

Guaranteed 100% oil-free air. No metal-to-metal contact in the compression chamber means no oil is ever needed or added.

Learn About Class 0>

High Pressure

Two-Stage Compression

Advanced dual-stage design allows for lower operating temperatures and higher efficiency compared to single-stage dry screws.

View Specifications>

The Blackhawk Advantage

Oil-free compressors are precision machines that require specialized care.

  • 🛠 Factory Certified Experts: Our technicians are specifically trained on the tight tolerances and coating requirements of Kobelco oil-free air ends.
  • ⚙️ Genuine OEM Parts: We stock genuine Kobelco filters and maintenance kits to protect your rotors and warranty.
  • 📦 Medical & Pharma Packages: We integrate Kobelco units into NFPA 99 compliant packages for hospitals and labs.
  • 🚑 Emergency Support: If your oil-free air goes down, production stops. We have 24/7 support to get you back online.

Latest Insights & News

Stay up to date with the latest compressed air technology and maintenance tips.

27 Feb 2026

What ISO 8573-1 Class 0 Really Means for Your Air Quality

Class 0" compressed air doesn't mean zero contaminants. Debunk the myth & learn what ISO 8573-1 Class 0 certification truly means for air purity. Read more...

30 Jan 2026

Leading by Example: Norgren Improves Energy Efficiency at Colorado Headquarters

Discover how Norgren, a leader in fluid control tech, optimized their compressed air systems for efficiency and sustainability. Read more...

27 Jan 2026

Converting Natural Gas Starting System to Air – Cuts Emissions :: Blackhawk Equipment

Learn how converting your natural gas starting system to an air-based one can significantly cut down on harmful emissions. Read more...

Eliminate the Risk of Contamination

Protect your brand and your consumers. Let our engineers size the perfect Kobelco Oil-Free system for your critical application.