Ask an Expert

Lubricated Screw Compressors

  • CompAir L Series rotary screw compressors
  • Oil lubricated models for use in industrial applications
  • Durable, reliable, and cost-effective

All CompAir rotary screw compressors can be sized to suit the required output, and can be driven by either a fixed speed drive motor or our variable speed drive system. The volume flow can be precisely controlled to meet your continually changing demands. This ensures that you use only the energy required to do the job and no more.

The CompAir L – RS and VS series of rotary screw compressors incorporate a variable speed drive system for outstanding efficiency. These compressors offer the ability to precisely match power consumption with air demand. Maximum efficiency at any level of demand cuts energy costs and saves money. This is achieved by varying the speed of the drive motor with exceptional levels of efficiency.

CompAir L02 – L05

Thanks to the user-friendly design of the L02-L05 range these compressors are ready for plug & play operation. Maintenance is made easy by the removable side doors providing you with quick and easy access to all service points. The simple design minimises the number of moving parts and as a result, reliability is increased and maintenance costs reduced.

CompAir L07 – L22

The new design of the high efficiency airend operates at low rotational speeds, and as a result lowers energy costs. The innovative integrated design, with oil separation, oil filter, thermostatic bypass valve, reduces the number of external hoses and components resulting in increased reliability.

CompAir L23 – L29

The high output compression element with slow rotational speed reduces energy costs. In addition to this, the innovative design of the failsafe shaft seal, integrated oil filter and oil regulation valve, ensures external hoses are reduced to a minimum to guarantee the highest levels of quality and reliability are achieved.

Two stage filtration ensures highest quality air is delivered to your system <3ppm oil carryover. The vessel has a hinged cover for easy maintenance.

All models are available with an integrated dryer. This option comes complete with a dryer and water separator, both fitted with zero loss drains, to eliminate expensive air loss and maximise energy efficiency.

Thanks to ESD control the dryer only consumes energy when the system actually needs compressed air – unlike conventional dryers which continue to consume energy even when the system is off load. These features not only save energy but considerably enhance the reliability of the compressed air supply.

CompAir L30 – L132

Operating using slower rotation speed in the air end rotors, equipped with a 2-pole TEFC IP 55 energy-saving CEMEP CLASS EFF1 high efficiency motor and fitted with a modified, premium efficiency air end – these new compressors can deliver energy savings of up to 7.2% compared to other manufacturers. This can cut energy bills by up to Ł1,000 per year and reduce annual CO2 emissions by up to 9,000kg, making a positive impact on both the bottom line and the environment.

A water-cooled option is available on all fixed speed machines – L90 to L132.

CompAir L50 – L140RS

Well known in the industry for quality and reliability CompAir continuously develops the L-Series achieving cutting edge performance and efficiency. The premium efficiency range L50, L80 and the new L140 feature an extra large airend contributing to typically 8% energy cost savings.

The screw compression element is the heart of the compressor and therefore CompAir keeps the design and manufacture in-house, using the latest CNC rotor grinding machinery, coupled with online laser technology.

The resulting reliability and performance ensure that operating costs will remain low throughout the compressors life.

CompAir L160 – L290

A high capacity air compressor range that sets the highest standards in reliable, economical and efficient operation. Screw compression elements are manufactured in-house using the latest CNC rotor grinding machinery, coupled with on-line laser technology, in order to maintain precise manufacturing tolerances. The resulting reliability and performance ensure that operating costs will remain low throughout the compressor’s life.

This exciting new range of gear and direct drive compressors delivers up to 12% more compressed air with the same kW motor. The outstanding reliability makes these machines the preferred choice for large capacity applications.
Customers can gain maximum energy efficiency improvements with the new, premium efficiency inverter fitted in the RS variable speed machines, which can reduce running costs by up to 35%.

A water-cooled option is available on all fixed speed machines – L90 to L250.


A lubricated screw compressor, receiver mounted with refrigerant dryer. The complete packaged solution.

CompAir Hydrovane Champion Gardner Denver Ingersoll Rand Elmo Rietschle Reavell

Contact us...

Have an enquiry or question? Ask one of our experts by using our contact form. Our experts will contact you as soon as possible.

Contact Us