Model LL2/77A 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||50 Hz (7-10 bar)||60 Hz (7-10 bar)|
|Charging capacity (m³/h)*||49||60|
|Power requirement (kW)||6,9||8,4|
|Heat dissipation (kCal/h)||5341||6502|
|*Charging capacity is from ambient pressure to final pressure. Tolerance +/-5%.|
|No. of cylinders||2|
|Cylinder arrangement||90° V|
|No. of compression stages||1|
|Valve LP||Reed valve|
|Dimensions & weight|
|Cylinder diameter LP||77 mm|
|Weight (compressor/el.motor)||265 kg|
|Oil type||Synthetic oil (see approved list)|
|Sump capacity||4 litres|
|Maximum delivery pressure||10 bar|
|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|