Atlas Copco XAS 185 CDU T4 - Performance and Design Data; Performance Data; Design Data (Compressor and Engine)

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Performance data
1)
Design Data
COMPRESSOR
ENGINE
UNIT
Designation XAS 185 CDU
Engine shaft speed, normal and maximum rpm 2750/2800
Engine shaft speed, compressor unloaded rpm 1600
Free air delivery
2)
l/s 87.31
cfm 185
Fuel consumption -at full load gal/hr 2.73
-at unload gal/hr 1.03
Specific fuel consumption gal/ft 30.000246
Typical oil content of compressed air mg/m
3
<5
oz/1000 cu.ft < 0.005
Engine oil consumption (maximum) g/hr NA
oz/h NA
Compressed air temperature at outlet valves °C 93.3
°F 200
Noise level
6)
dB(A) <76
Designation All units
Number of compression stages 1
Designation XAS 185 CDU
Make Caterpiller
Type C2.2
Coolant
Ethylene glycol mix w/SCA
package
Number of cylinders 4
Bore
in 3.31
mm 84.07
Stroke
in 3.94
mm 100.07
Swept volume
cu.in 134
l2.19
Output at normal shaft speed
4)
hp 49
kW 36.53
- Load factor % 70
Capacity of oil sump
qts 9.5
gal 2.37
Capacity of cooling system
qts 11
gal 2.75
Designation All units
Capacity of compressor oil system
qts 9
gal 2.25
Net capacity of air receiver
US gal 4.5
l 17.03
Capacity of fuel tanks
US gal 25
l 94.63
Designation XAS 185 CDU