Rotary Screw Air Compressors
Lubricated Rotary Screw Compressor 30 - 45 kW
CompAir Li30-45
🔧 Key 30–45 kW / 40–60 HP Rotary Screw Compressors
CompAir Li30 RS Screw Air Compressor – Li-series rotary screw compressor around 30–45 kW with RS (regulated speed) option and inbuilt VFD, suitable for variable air demand (energy saving, broad pressure range).
CompAir L45 Rotary Screw Compressor – 45 kW lubricated rotary screw unit from CompAir, standard fixed-speed model.
CompAir L45e Lubricated Rotary Screw Compressor – Premium efficiency L-Series “e” model with larger airend and enhanced performance.
📌 Other Related Options
CompAir 20HP‑30HP Rotary Screw Air Compressor – Lower power range (up to ~30 HP) if you need slightly smaller capacity.
Rotary Screw Air Compressor ‑ 30HP – General 30 HP screw compressor unit.
Direct Driven Air Compressor 30L 2.5HP – Not a rotary screw compressor (shown for comparison; much smaller capacity).
📘 About the CompAir Li30-45 Range
The CompAir Li30-45 series (part of the L-Series lubricated rotary screw compressors) offers:
🛠️ Performance & Efficiency
Designed for 30 – 45 kW motors delivering high-quality compressed air for industrial use.
Available in fixed speed, variable speed (RS) and premium efficiency “e” models to match varying air demand and reduce energy costs.
Typical operating pressure ranges from ~7 bar up to ~10 bar (varies by model and speed).
🔌 Features
Oil-lubricated rotary screw design for continuous duty and reliable performance.
High-efficiency IE4 motors (standard on newer models).
Large surface aftercooler and advanced oil separation filters for lower air discharge temperatures and very low oil carry-over.
Easy maintenance access and modern controllers (e.g., Delcos XL SE7 touch display) for intuitive operation and monitoring.
💡 Benefits
Energy savings: Variable speed units adjust output to demand, reducing electricity use.
Lower operating costs: Premium airends and efficient design can pay back investment faster.
Durability & serviceability: Corrosion-resistant piping, easy service access, and quality components.
📍 Typical Applications
Rotary screw air compressors in the 30–45 kW range are well suited for:
Manufacturing & automated production lines
Heavy-duty pneumatic tools
Packaging, automotive, food & beverage
Plant utilities and industrial process air systems
The New Generation
Industries across the globe rely on CompAir rotary screw compressors for the supply of high quality compressed air. The CompAir Li series air compressor range incorporates the best of CompAir technology, design and quality. To deliver reliable, economical and efficient performance in a completely new package. The Li series delivers high quality air at volumes at a pressure range between 7 and 10 bar and is available in air cooled versions.
Maximum Durability
We maximise service life and durability by eliminating elastomer and thermoplastic pipe and tube in system pressure lines. Replacing them with corrosion resistant stainless steel tubing and passivated zinc coated carbon steel piping. For ease of maintenance we complete the connection with viton sealed grooved couplings and self sealing high pressure compression fittings.
Designed for Serviceability
Maintenance personnel love the Li series compressor range. Service access is quick and easy with all doors able to be removed in seconds. We’ve also made sure serviceable components including filters are easily accessible and no piping needs to be disconnected to service the separator.
