Air compressor


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Sperre LL2/140



Sperre LL2/140

More details

Data sheet

Serial number145099
kW30 @ 50 Hz 34,5 @ 60 Hz
RPM1470 @ 50 Hz - 1760 @ 60 Hz
Volt380 - 440 - see photo of electric motor type plate
HZ50 - 60
m³ /h, cubic meter per hour capacity188
Electric motor typeSiemens - see photo of electric motor type plate
Working pressure BAR8
Test Pressure BAR15

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)97514751175
Charging capacity (m³/h)*128188155
Power requirement (kW)16,525,119,8
Heat dissipation (kCal/h)127711942715325
*Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%.
No. of cylinders2
Cylinder arrangement90° V
No. of compression stages1
Valve LPConcentric plate valves
Dimensions & weight
Cylinder diameter LP140 mm
Stroke100 mm
Weight (compressor/el.motor)626 kg
Sump capacity10 litres
Lubrication systemSplash
Operating parameters
Maximum delivery pressure10 bar
Ambient temperature45°C
Normal temperature outlet air10°C above ambient temperature
Maximum speed1500 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 level91 dBA
Max. vibration level30 mm/s-RMS