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Sperre HLF2/77 start air compressor
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34596-sperre-hlf2-77
Used
Sperre HLF2/77 start air compressor
Manufacturer | Sperre |
Model | HLF2/77 |
Serial number | 70173 |
kW | 3 @ 50 Hz - 3,45 @ 60 Hz see photo of electric motor type plate |
RPM | 1420 @ 50 Hz - 1720 @ 60 Hz see photo of electric motor type plate |
Volt | 230-240/380-420 - see photo of electric motor type plate |
Class | DNV |
m³ /h, cubic meter per hour capacity | 9 |
Electric motor type | Siemens 1LA7107-4AA11 |
Working pressure BAR | 30 |
Test Pressure BAR | 45 |
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 | ||||
---|---|---|---|---|
Performance | 50 Hz (30 bar) | 60 Hz (30 bar) | ||
Speed (RPM) | 1450 | 1175 | 1750 | |
Charging capacity (m³/h)* | 11 | 9 | 13 | |
Power requirement (kW) | 2,8 | 2,3 | 3,1 | |
Heat dissipation (kCal/h) | 2129 | 1780 | 2399 | |
*Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%. | ||||
Design | ||||
No. of cylinders | 2 | |||
Cylinder arrangement | 90° V | |||
No. of compression stages | 2 | |||
Cooling | Air | |||
Valve LP | Reed valve | |||
Valve HP | Concentric plate valve | |||
Dimensions & weight | ||||
Cylinder diameter LP | 77 mm | |||
Cylinder diameter HP | 50 mm | |||
Stroke | 40 mm | |||
Weight (compressor/el.motor) | 120 kg | |||
Lubrication | ||||
Sump capacity | 1.8 litres | |||
Lubrication system | Splash | |||
Operating parameters | ||||
Maximum delivery pressure | 35 bar | |||
Ambient temperature | 45°C | |||
Normal working pressure LP | 2–4 bar | |||
Normal temperature outlet air | Approx. 25°C above ambient | |||
Maximum speed | 1800 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 | 81 dBA |