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Sperre HLF2/77 air compressor

34596-sperre-hlf2-77

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Sperre HLF2/77 start air compressor

More details

    • Data sheet

    ManufacturerSperre
    ModelHLF2/77
    Serial number70173
    kW3 @ 50 Hz - 3,45 @ 60 Hz see photo of electric motor type plate
    RPM1420 @ 50 Hz - 1720 @ 60 Hz see photo of electric motor type plate
    Volt230-240/380-420 - see photo of electric motor type plate
    ClassDNV
    m³ /h, cubic meter per hour capacity9
    Electric motor typeSiemens 1LA7107-4AA11
    Working pressure BAR30
    Test Pressure BAR45

    More info

    Sperre Model HLF2/77 is a two stage 90º V-compressor.

    Cylinders and compressed air coolers are air-cooled.

    Bearings and cylinders walls are splash lubricated. The compressor and motor are normally supplied mounted together and connected by means of a heavy-duty flexible coupling.

    Technical Data
    Performance50 Hz (30 bar)60 Hz (30 bar)
    Speed (RPM)145011751750
    Charging capacity (m³/h)*11913
    Power requirement (kW)2,82,33,1
    Heat dissipation (kCal/h)212917802399
    *Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%.
    Design
    No. of cylinders2
    Cylinder arrangement90° V
    No. of compression stages2
    CoolingAir
    Valve LPReed valve
    Valve HPConcentric plate valve
    Dimensions & weight
    Cylinder diameter LP77 mm
    Cylinder diameter HP50 mm
    Stroke40 mm
    Weight (compressor/el.motor)120 kg
    Lubrication
    Sump capacity1.8 litres
    Lubrication systemSplash
    Operating parameters
    Maximum delivery pressure35 bar
    Ambient temperature45°C
    Normal working pressure LP2–4 bar
    Normal temperature outlet airApprox. 25°C above ambient
    Maximum speed1800 RPM
    Set point thermo switch air alarm/stop75°C/80°C
    RotationAnti-clockwise (looking at the drive end)
    Safety valves set point10% above stage pressure
    Max. noise level81 dBA