Technical data LL2/77

General description:

Model LL2/77 is a one stage two cylinder 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.

Both electrical and diesel engine driven versions are available.

Design particulars:

Design:
Nos. of cylinders	2
Cylinder arrangement	90º V
Nos. of compression stages	1
Cooling	Air
Cooling system	Direct driven axial fan
Valves	Reed valves
Dimensions:
Cylinder diameter	77 mm
Stroke	80 mm
Lubrication:
Sump capacity	4 litres
Lubrication system	Splash
Operating Parameters:
Maximum delivery pressure	10 bar
Maximum ambient temperature	45ºC (55ºC on request)
Normal temperature outlet air	Approx. 10ºC 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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