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Technical data HL2/77
General description:
Model HL2/77 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.
Both electrical and diesel engine driven versions are available. Design particulars:
| Design: |
| Nos. of cylinders |
2 |
| Cylinder arrangement |
90º V |
| Nos. of compression stages |
2 |
| Cooling |
Air |
| Cooling system |
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| Valves |
Reed valve |
| Dimensions: |
| Cylinder diameter |
77 mm |
| Stroke |
80 mm |
| Lubrication: |
| Sump capacity |
4 litres |
| Lubrication system |
Splash |
| Operating Parameters: |
| Maximum delivery pressure |
30 bar |
| Maximum ambient temperature |
45ºC (55ºC on request) |
| Normal temperature outlet air |
Approx. 25ºC above ambient |
| Safety valves set point |
10% above stage pressure |
| Maximum speed |
1800 RPM |
| Rotation |
Counter-clockwise (looking at the drive end) |
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50 Hz |
60 Hz |
| Speed (rpm) |
975 | 1450 |
1150 | 1750 |
| Capacity (Nm3/h) |
17 | 25 |
20 | 28 |
| Power request (kW) |
3.7 | 6.2 |
4.8 | 7.8 |
| Heat dissipation (kcal/h) |
2864 | 4799 |
3715 | 6037 |
| Cooling water req. (l/min) |
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Sperre is not responsible for any errors that may appear in these datasheets.
We reserve the right to change specifications and technical data without notice.
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