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sperre-90-902929
Used
Sperre HL2/90 Start air compressor
Manufacturer | Sperre |
Model | HL2/90 |
Serial number | 902929 |
kW | 5,9 |
RPM | 1175 |
Volt | 380 / 440 |
HZ | 50 / 60 |
m³ /h, cubic meter per hour capacity | 27 |
Working pressure BAR | 30 Barg |
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 | ||||
---|---|---|---|---|
Performance | 50 Hz (30 bar) | 60 Hz (30 bar) | ||
Speed (RPM) | 975 | 1450 | 1175 | 1750 |
Charging capacity (m³/h)* | 24 | 35 | 28 | 40 |
Power requirement (kW) | 5,6 | 8,2 | 6,5 | 10,3 |
Heat dissipation (kCal/h) | 4334 | 6346 | 5031 | 7972 |
*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 | |||
Cooling system | Direct driven axial fan | |||
Valve LP | Reed valve | |||
Valve HP | Concentric plate valve | |||
Dimensions & weight | ||||
Cylinder diameter LP | 90 mm | |||
Cylinder diameter HP | 50 mm | |||
Stroke | 80 mm | |||
Weight (compressor/el.motor) | 255 kg | |||
Lubrication | ||||
Oil type | Synthetic oil (see approved list) | |||
Sump capacity | 4 litres | |||
Lubrication system | Splash | |||
Operating parameters | ||||
Maximum delivery pressure | 40 bar | |||
Ambient temperature | 45°C | |||
Normal working pressure LP | 3–4 bar | |||
Normal temperature outlet air | 15°C–30°C above ambient temperature | |||
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 | 5–10% above stage pressure | |||
Max. noise level | 84 dBA | |||
Max. vibration level | 40 mm/s-RMS |