Compressor/Engine Specifications For Standard Units - Atlas Copco PNS 1250 Cud S3A/T3 APP Instruction Manual

Portable compressors
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11.3 Compressor/engine specifications for standard units

Designation
Reference conditions
Absolute inlet pressure
Relative air humidity
Air inlet temperature
Normal effective working pressure
The inlet conditions are specified at the air inlet grating outside the canopy
Limitations
Minimum effective receiver pressure
Maximum effective receiver pressure, compressor unloaded
Maximum ambient temperature
Minimum starting temperature
1)
Performance data
Engine shaft speed, normal and maximum
Engine shaft speed, compressor unloaded
2)
Free air delivery
Fuel consumption at full load (Std)
Fuel consumption at full load (Hot Env)
Fuel consumption at unload (Std)
Fuel consumption at unload (Hot Env)
Specific fuel consumption (Std)
Specific fuel consumption (Hot Env)
Typical oil content of compressed air
Engine oil consumption (maximum)
Compressed air temperature at outlet valves
Noise level
- 84 -
Unit
Value
bar(e)
1
%
1
°C
20
bar(e)
20
24
bar(e)
10.3
10.3
bar(e)
21
25
°C
45
45
°C
-25
-25
r/min
1800
1750
r/min
1300
1400
l/s
575
553
kg/h
83.82
85.62
kg/h
85,71
87.24
kg/h
13.20
15.60
kg/h
13.68
16.13
g/m³
40.85
43.24
g/m³
41.73
43.74
mg/m³
0
0
free air
g/h
0
0
°C
30-70
30-70
0
0
0
0
0
0
0
0
0
0
5)

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