• ALLEGRO 55 Oil injected screw compressor with variable speed drive 2ORZBP12JG

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    Advanced gear-driven VSD compressor for high technology applications

    Largo and Allegro 31-110 screw compressor provide high-quality air for wide range of industrial applications. Largo and Allegro compressors are built around three features which make the, stand out: Superior efficiency; Intelligent control; Ultimate reliability and serviceability.


    Up to 35% of energy consumption can be saved through a combination of advanced elements, compared to a fixed speed machine of the same size. This series is a brilliant choice for modern engineering and manufacturing facilities. Equipped with Aircontrol 5.1 controllers, the machine operates to its maximum efficiency when you have a full control of your compressed air system. 

    Benefits of Variable Speed Drive (VSD)

    • High energy efficiency with an intelligent inverter and sensors
    • Smooth start - no peak current penalties on mechanical parts at start-ups (prolong components' life)
    • Reduced system pressure = Reduced energy consumption
    • Reduced system pressure = Minimised air leakages

    Key Benefits

    • IE3 / NEMA Premium efficiency motor
    • Up to 35% energy saving compared to fixed speed
    • Integrated air dryer (optional)
    • Aircontrol 5.1 graphical controller
    • Imperium inverter


    Pump Displacement 2,820 - 7,200 l/min (100-255 cfm)
    Motor Size 55 kW (75 HP)
    Maximum Pressure 13 bar
    Weight 1473 kg
    Dimensions 1923 x 1060 x 1630 mm
    Noise Level 70 dB(A)

Saving and benefit

Ash Air offers site audits including ultrasonic leak detection, data-logging, equipment and application assessments. Our certified engineers can analyse your system and suggest the best solution that will save you energy and money.