Air compressor

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Sperre LL2/140

111556-sperre-ll2-140

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Sperre LL2/140

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Data sheet

ManufacturerSperre
ModelLL2/140
Serial number145084
kW30
RPM1470
Volt380/660
HZ50
m³ /h, cubic meter per hour capacity188
Electric motor typeStromberg hxur 405A2 B3
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%.
Design
No. of cylinders2
Cylinder arrangement90° V
No. of compression stages1
CoolingAir
Valve LPConcentric plate valves
Dimensions & weight
Cylinder diameter LP140 mm
Stroke100 mm
Weight (compressor/el.motor)626 kg
Lubrication
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