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Sperre LL2/140



Sperre LL2/140

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    Sperre LL2/140

    Sperre LL2/140

    Sperre LL2/140

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    Data sheet

    Manufacturer Sperre
    Model LL2/140
    Serial number 145099
    kW 30 @ 50 Hz 34,5 @ 60 Hz
    RPM 1470 @ 50 Hz - 1760 @ 60 Hz
    Volt 380 - 440 - see photo of electric motor type plate
    HZ 50 - 60
    m³ /h, cubic meter per hour capacity 188
    Electric motor type Siemens - see photo of electric motor type plate
    Working pressure BAR 8
    Test Pressure BAR 15

    More info

    Model LL2/140 is a one 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 (7-10 bar)60 Hz (7-10 bar)
    Speed (RPM) 975 1475 1175
    Charging capacity (m³/h)* 128 188 155
    Power requirement (kW) 16,5 25,1 19,8
    Heat dissipation (kCal/h) 12771 19427 15325
    *Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%.
    No. of cylinders 2
    Cylinder arrangement 90° V
    No. of compression stages 1
    Cooling Air
    Valve LP Concentric plate valves
    Dimensions & weight
    Cylinder diameter LP 140 mm
    Stroke 100 mm
    Weight (compressor/el.motor) 626 kg
    Sump capacity 10 litres
    Lubrication system Splash
    Operating parameters
    Maximum delivery pressure 10 bar
    Ambient temperature 45°C
    Normal temperature outlet air 10°C above ambient temperature
    Maximum speed 1500 RPM
    Set point thermo switch air alarm/stop 75°C/80°C
    Rotation Anti-clockwise (looking at the drive end)
    Safety valves set point 10% above stage pressure
    Max. noise level 91 dBA
    Max. vibration level 30 mm/s-RMS