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GENERAL INFORMATION
7
9/275, 9/305, 12/250, 17/240, 21/220
MODEL
12/250
9/275
9/305
21/220
17/240
COMPRESSOR
Actual free air delivery.
m
3
/min/
cfm
25,0/
883
27,0/
950
29,9/
1060
21,5/
750
23,3/
825
Normal operating discharge
pressure.
psi/bar/
kPa
175/12/
1200
125/8,6/
860
125/8,6/
860
300/21/
2100
250/17,2/
1724
Maximum allowable pressure
psi/bar/
kPa
200/13,8/
1380
150/10,3/
1030
150/10,3/
1030
325/22,4/
2240
275/19/
1900
Safety valve setting
psi/bar/
kPa
217/15/
1500
217/15/
1500
217/15/
1500
362/25/
2500
362/25/
2500
Maximum pressure ratio (absolute)
8:1
8:1
8:1
18:9:1
18:9:1
Operating ambient temperature
range
°
C/
°F
-10 to +46/
14 to 115
-10 to +46/
14 to 115
-10 to +46/
14 to 115
-10 to +46/
14 to 115
-10 to +46/
14 to 115
Maximum discharge temperature
°
C/
°F
120/
248
120/
248
120/
248
120/
248
120/
248
COMPRESSOR
Cooling system.
Oil Injection
Oil capacity.
Litre
75
75
75
75
75
Maximum oil system temperature
°
C/
°F
120/
248
120/
248
120/
248
120/
248
120/
248
Maximum oil system pressure
psi/bar/
kPa
217/15/
1500
217/15/
1500
217/15/
1500
362/25/
2500
362/25/
2500
LUBRICATING OIL
SPECIFICATION
(for the specified ambient
temperatures).
SEE ‘COMPRESSOR LUBRICATION’ IN THE MAINTENANCE SECTION.