Quincy QGS 7.5 HPB | 7.5 HP Rotary Screw Air Compressor with Sound Enclosure 208-230/460-Volt, 3-Phase

  • Capacity 20 - 49 CFM
    Horsepower 7.5 HP
    NPT Connection 1/2" NPT
    Power Electric
    Pressure Rating 145 PSI
    Voltage 208/3/60 Volts, 460/3/60 Volts, 230/3/60 Volts
    rotary screw technology for every application
    quincy understands the critical nature of your compressed air system to maintain production. quincy's qgs line of compressors help drive your profitability by lowering your total cost of ownership while providing you with the performance and reliability that you have come to expect from quincy compressors. the qgs air compressor has many of the features, benefits, and advantages of larger compressed air systems in a package that fits your application and at a price you can afford. 
    are you using the right technology for your application?
    with ease of service and reliability in mind, the quincy qgs offers superior compressed air performance in a compact, modern design. with a continuous 100% duty cycle, this rotary screw compressor also operates without the elevated vibration and sound levels normally associated with typical piston compressors. a small footprint and lower noise levels mean increased installation flexibility, making the quincy qgs ideal for most applications. and, with the optional receiver tank and integrated dryer, you will save valuable floor space and lower your cost of operation.

    standard premium features

    • 5-year warranty on airend, motor,  separator tank, and cooler
    • high efficiency air inlet filter
    • tefc motor 
    • proven, reliable v-belt drive
    • upward package air discharge 
    • factory-filled 8,000 hour quinsyn-plus fluid
    • low sound enclosure (62-68 dba) 
    • ul/cul control panel compliant
    • low oil carryover protects your tools and equipment
    • vibration isolation means a quieter machine 

    full control

    • simple, efficient controls
    • start/stop controls ensure that your qgs delivers efficient air only when you demand it


    • all consumable components are located behind a single access panel
    • constant view fluid level display allows you to monitor fluid levels without removing any panels
    • quincy parts ensure efficient and reliable performance of your qgs air compressor
    • spin-on fluid filter and separator element allow for quick and easy maintenance 

    available options

    • 60 gallon receiver tank with manual drain
    • integrated 39ºf dewpoint refrigerated air dryer with timer actuated drain
    life cycle cost
    technical data
    model qgs-7.5
    hp 7.5 hp
    flow (acfm) 21.2
    full load pressure (psig) 145
    max pressure (psig) 150
    min pressure (psig) 65
    package discharge size .5" npt
    max ambient 104 f
    min ambient 35 f
    fluid capacity .66 gal
    fluid carryover 3 ppm
    sound 64 dba
    full load drive 8.25 bhp
    unloaded drive 2.0 bhp
    total power 6.2 kw
    total specific power 29.0 kw/100 cfm


    true blue warranty

    standard qgs warranty

    1-year: basic compressor (twelve months from start-up or eighteen months from factory shipment, whichever comes first)

    3-year qgs extended warranty
    1-year: basic compressor
    3-years: airend
    3-years: air and fluid heat exchanger
    1-year:  drive motor
    3-years: air fluid separator tank

    5-year qgs extended  warranty
    1-year:  basic compressor
    5-years: airend
    5-years: cooler
    5-years: air fluid receiver
    5-years: drive motor
    authorized start-up required

    • product specification

      • cfm (capacity)
        20.4 cfm @ 150 psi
      • controls
        load/no load controls with timed shutdown
      • oil capacity
        0.66 gallon
    • overview & technical details

      • sound level dba
        64 dba
    • connection

      • connection npt
        1/2" npt
    • power requirements

      • standard voltages
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