Oil injected air compressor

Sullair Oil-Injected Screw Air Compressors

Reliable, energy-efficient, and built for continuous operation.

Sullair Oil-Injected Screw Compressors are engineered to deliver outstanding performance, durability, and efficiency across a wide range of applications. With power options from 4 kW to 350 kW, the range is divided into four distinct series — ShopTek™, AS, WS, and LS — ensuring the right solution for every need, from small workshops to heavy-duty industrial operations.

All series incorporate Sullair’s legendary air end technology, high-efficiency motors, and advanced separation and cooling systems for lower operating costs and maximum uptime.

ShopTek™ Series (4 – 110 kW)

Compact, reliable, and easy to maintain.

The ShopTek™ Series sets the standard for continuous-duty compressors in small to mid-size operations. Designed with the end user in mind, these compressors feature a small footprint, low maintenance requirements, and long-lasting performance.

Key Features:

• Range: 4 – 110 kW

• Legendary Sullair Air End with proven reliability

• Filled with Genuine Sullube® (10,000-hour life, non-varnishing)

• Comes with a 5-year Emerald Warranty covering key components

• Compact footprint ideal for smaller spaces

• Easy-to-service design with reduced maintenance time

Best for: workshops, small manufacturing plants, and facilities needing reliable compressed air in tight spaces.

AS Series (4 – 110 kW | 7.6 – 13 bar)

Flexible and efficient for medium-duty industrial applications.

The AS Series delivers versatility, energy efficiency, and durability. With patented rotor design and a modular system, it’s built to adapt to varying demand levels while minimizing energy waste.

Key Features:

• Large, low-speed rotors for quiet operation and long life

• Bearings designed for up to 100,000 hours

• 0–100% capacity control to match output with demand

• Two-stage separation (from 45–110 kW) for oil carryover < 1 ppm

• IP55 IE2 high-efficiency motor with long-life bearings

• Oversized cooling system for fast heat dissipation and lower costs

• LCD controller with real-time monitoring, warnings, and maintenance records

Best for: manufacturing plants, automotive workshops, and facilities requiring flexible and reliable compressed air supply.

WS Series (18 – 75 kW)

Compact, quiet, and environmentally friendly.

The WS Series is engineered for environments where space is limited and low noise is critical. Its compact design, side-service accessibility, and low vibration technology make it one of the most user-friendly compressors in its class.

Key Features:

• Range: 18 – 75 kW

• Compact footprint for smaller workshops

• Noise levels as low as 67 dB, with vibration dampening pads

• High-efficiency NEMA 4 motor with enhanced cooling design

• OptimalAir® filtration for cleaner air and longer component life

• Uses Sullube® fluid (8,000-hour life, biodegradable, < 2 ppm carryover)

• Microcomputer controller with sequential multi-compressor control

• Air or water cooling options (water cooling available ≥ 45 kW)

Best for: workshops, light industrial operations, and facilities requiring low-noise, space-efficient compressors.

LS Series (90 – 350 kW)

Heavy-duty performance for the most demanding applications.

The LS Series is designed for continuous, heavy-duty industrial use, delivering maximum reliability, energy efficiency, and advanced control. Built with oversized cooling systems, electronic spiral valve technology, and remote monitoring capabilities, the LS Series represents the pinnacle of Sullair oil-injected compressors.

Key Features:

• Range: 90 – 350 kW

• Premium-efficient IE3 motors, slow-running at 1800 RPM for extended life

• Oversized cooling system for high-temperature environments (up to 55°C options)

• Electronic Spiral Valve or Variable Speed Drive (VSD) options for precise capacity control and energy savings

• OptimalAir® heavy-duty inlet filters (99.9% efficiency per ISO5011)

• Air/Fluid separation system with < 2 ppm carryover

• Advanced STS Touch Controller with 10” color screen, trending analysis, and sequencing up to 16 units

• Optional AirLinx® remote monitoring for real-time performance insights

• Protected by the exclusive Sullair Diamond Warranty (10 years on air end)

Best for: large-scale manufacturing, process industries, logistics centers, and operations requiring continuous, high-volume compressed air.

Why Choose Sullair Oil-Injected Screw Compressors?

• Full power range from 4 kW to 350 kW

• Four specialized series tailored to different applications

• Legendary Sullair Air Ends — proven durability worldwide

• High efficiency, low maintenance, and reduced operating costs

• Backed by industry-leading warranties and global support

From compact workshops to the toughest industrial facilities, Sullair’s oil-injected screw compressors deliver dependable, efficient, and long-lasting performance.