Air compressor


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Sperre HL2/90 air Compressor



Sperre HL2/90 air Compressor

More details

Data sheet

Serial number90208
kW11 - see photo of electric motor plate
RPMsee photo of electric motor plate
Volt380 / 440 - see photo of electric motor plate
HZ50 / 60
m³ /h, cubic meter per hour capacity34
Electric motor typeLoher GmbH Type A 160MA-4
Working pressure BAR30
Test Pressure BAR45

More info

Model HL2/90 is a two stage 90º V-compressor. ( typical data )

Cylinders and compressed air coolers are air-cooled. Cooling air is supplied by a well-dimensioned fan.

Bearings and cylinders walls are splash lubricated.

The compressor and motor are normally supplied mounted together on a foundation, and connected by means of a heavy-duty flexible coupling.

Technical Data
Performance50 Hz (30 bar)60 Hz (30 bar)
Speed (RPM)975145011751750
Charging capacity (m³/h)*24352840
Power requirement (kW)5,68,26,510,3
Heat dissipation (kCal/h)4334634650317972
*Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%.
No. of cylinders2
Cylinder arrangement90° V
No. of compression stages2
Cooling systemDirect driven axial fan
Valve LPReed valve
Valve HPConcentric plate valve
Dimensions & weight
Cylinder diameter LP90 mm
Cylinder diameter HP50 mm
Stroke80 mm
Weight (compressor/el.motor)255 kg
Oil typeSynthetic oil (see approved list)
Sump capacity4 litres
Lubrication systemSplash
Operating parameters
Maximum delivery pressure40 bar
Ambient temperature45°C
Normal working pressure LP3–4 bar
Normal temperature outlet air15°C–30°C above ambient temperature
Maximum speed1800 RPM
Set point thermo switch air alarm/stop75°C/80°C
RotationAnti-clockwise (looking at the drive end)
Safety valves set point5–10% above stage pressure
Max. noise level84 dBA
Max. vibration level40 mm/s-RMS