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  • WISAIR 20V - 75V Oil-Free Screw Compressor - Inverter Version

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    WISAIR 20V - 75V Oil-Free Screw Compressor - Inverter Version


    The power of our oil-free screw range

    WIS 20-75V oil-free compressors provide high-quality compressed air for a range of industrial applications for industries such as pharmaceuticals, food and beverage, electronics and textiles. These industries cannot risk any chance of oil contamination in their processes, therefore it is essential that the compressed air is 100% oil-free. The standard is ISO 8573-1 (2010) certification, in which Class Zero represents the highest air purity. It is the only way to ensure oil-free air for your critical processes and with it peace of mind.


    Outstanding reliability, low maintenance and operating costs make our oil-free compressors a sound investment.


    Our range is built focussing on three pillars

    1. Ultimate 100% oil free, clean air
    2. The most energy efficient compression due to low air discharge temperatures, optimised rotor profiles and no bearing losses
    3. Ultimate reliability due to friction free hyrodynamic bearings lubricated by clean, filtered lubricant, durable materials to reduce corrosion risk, and reduced rotor stresses due to soft start up process


    One package - multiple benefits

    These innovation features of WIS 20-75V range provide you with maximised efficiency, excellent air quality and low noise levels.

    • Direct drive set - IP55 induction motor directly coupled to the air end, no long-term losses, direct drive train for optimum efficiency; flexible to meet pressue/flow requirement
    • In-house design element with corrosion-proof parts and hydrodynamic bearings 
    • Integrated inverter - optimum zone control to optimise energy cost, forced cooling air flow over electronics and smooth start-up to guarantee longer lifetime, and more than 30% savings
    • Graphic controller - all readings and controls from full colour sceen controller, data logging possibility, web visualisation, integrated sequencer; standard on the WIS 20-75V range
    • Integrated dryer - to reduce footprint, maintenance and installation cost, designed to guarantee a contant pressure dew point of 3 degrees celsius, all readings/ control function from one point
    • Sound insulated canopy
    • Radial fan and cooling system - cooling turbine is installed in an easily accessible sound insulated cabinet, oversized cooler pack to enhance cooling performance, maintaining a high cooling efficiency, the radial cooling turbine reduces the energy consumption


    Free Air Delivery 45 - 310 cfm
    Maximum Pressure 7 - 13 bar
    Motor Size 15 -75 hp
    Weight 650 - 1314 kg
    Dimensions 1 - 1/2 " compressed air outlet diameter
    Noise Level 67 - 72 dB(A)
    Download Brochure