Oil-Free Air Compressors

When operations demand absolutely clean, oil-free air, Sullair delivers with its DS and DSP Series Oil-Free Rotary Screw Air Compressors. Designed for industries where air purity is non-negotiable — such as pharmaceutical, electronics, food & beverage, and medical sectors — these compressors ensure ISO Class Zero Certified performance, maximum efficiency, and unmatched reliability.

DS Series – Oil-Free Rotary Screw Compressors

Power Range: 45 – 75 kW
Air Delivery: 6.3 – 13.4 m³/min (226 – 477 cfm)
Pressure Range: 7 – 10 bar (100 – 150 psi)

The Sullair DS Series combines proven reliability with user-friendly design in a compact, service-friendly package.

Hitachi Two-Stage Air End – Stainless steel rotors in both stages, engineered for durability and efficiency.
PTFE-Free Rotor Coating – Long-lasting protection with no risk of contamination.
Easy Maintenance – Hinged door panels and modular design for quick servicing.
Full Base Frame – Protects against dust and dirt for longer component life.
Sullair Touch Screen (STS) Controller – 10” intuitive color display with real-time monitoring, graphing, and performance analysis.

The DS Series is ideal for facilities needing reliable oil-free air with simplified maintenance.

DSP Series – Next Generation Oil-Free Compressors

Power Range: 22 – 240 kW
Capacity: 3.7 – 40.5 m³/min
Pressure Range: 7.5 – 10 bar
Cooling Options: Air-Cooled / Water-Cooled

The Sullair DSP Series Next II represents the pinnacle of oil-free compressor technology, delivering premium efficiency, durability, and performance.

Two-Stage Dry Screw Compression – Intercooler between stages ensures maximum output and reliability.
Stainless Steel Rotors – With PTFE-free coating for long service life and purity.
Premium IE3 TEFC Motor – IP55 protection, built for demanding industrial environments.
ISO Class Zero Certified – 100% oil-free air for sensitive applications.
Advanced Control System – Color touchscreen microprocessor with IT functions, real-time performance tracking, and sequencing for multiple units.
Flexible Operation – Available in both fixed speed and Variable Speed Drive (VSD) models.
High Ambient Tolerance – Designed to operate reliably in temperatures up to 50°C.

Why Choose Sullair Oil-Free Compressors?

• Absolute air purity – ISO Class Zero certification

• Energy efficiency – Two-stage compression & VSD options

• Durability – Stainless steel rotors and proven Sullair design

• Smart operation – Touchscreen controls and remote monitoring options

• Easy maintenance – Simplified access and serviceability

With the DS and DSP Series, Sullair sets the benchmark for oil-free compressed air solutions — ensuring efficiency, reliability, and peace of mind for critical industries worldwide.