Air compressor

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Sperre HL2/120 Start air compressor

Reference: 8288-1210025

Condition: Used

Model HL2/120 is a two stage 90º V-compressor.

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.

echnical Data
Performance	50 Hz (30 bar)		60 Hz (30 bar)
Speed (RPM)	975	1450	1175
Charging capacity (m³/h)*	50	74	59
Power requirement (kW)	11,5	19,3	14
Heat dissipation (kCal/h)	8901	14935	10836

*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	Concentric plate valve
Valve HP	Concentric plate valve
Dimensions & weight
Cylinder diameter LP	120 mm
Cylinder diameter HP	77 mm
Stroke	100 mm
Weight (compressor/el.motor)	573 kg

Lubrication
Sump capacity	10 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	Approx. 15°C above ambient temperature
Maximum speed	1500 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	91 dBA
Max. vibration level	30 mm/s-RMS