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Viewed products
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Sperre HLF2/77 air...
Sperre HLF2/77 start air compressor
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Caterpillar 3516
Caterpillar 3516
Sperre HLF2/77 air compressor
13225-sperre-hl2-77
Used
Sperre HLF2/77 start air compressor
Data sheet
| Manufacturer | Sperre |
| Model | HLF2/77 |
| Serial number | 77280 |
| kW | 5,1 @ 50 Hz - 5,9 @ 60 Hz see photo of electric motor type plate |
| RPM | 965 @ 50 Hz - 1160 @ 60 Hz see photo of electric motor type plate |
| Volt | 220/380-440 - see photo of electric motor type plate |
| Class | Lloyds Register |
| m3/h, cubic meter per hour capacity | 20 |
| Electric motor type | Siemens 1LA3134-6SA-2 |
| Working pressure BAR | 30 |
| Test Pressure BAR | 45 |
More info
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 | |||