Sperre Classic
Technical data
Overview
LL2/105A
Benefits
- Model LL2/105A is a one 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.
Performance
Specification
50 Hz (7-10 bar)
60 Hz (7-10 bar)
Speed (RPM)
1475
1750
Charging capacity (m³/h)*
93
120
Power requirement (kW)
13,2
17
Heat dissipation (kCal/h)
10217
13158
*Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%.
Design
Specification
No. of cylinders
2
Cylinder arrangement
90° V
No. of compression stages
1
Cooling
Air
Valve LP
Reed valve
Dimensions & weight
Specification
Cylinder diameter LP
105 mm
Stroke
80 mm
Weight (compressor/el.motor)
320 kg
Lubrication
Specification
Oil type
Synthetic oil (see approved list)
Sump capacity
4 litres
Lubrication system
Splash
Operating parameters
Specification
Maximum delivery pressure
10 bar
Ambient temperature
45°C
Normal temperature outlet air
10°C–20°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