Page 4 WILKERSON
OPERATIONS
Water-Cooled Performance Specifications (60 Hz)
Performance Specifications: Flow Capacity (dm
3
/s) (50Hz)
Air-Cooled Performance Specifications (60 Hz)
Flows* at 37.7° C
Comp
Full
Model
Inlet Air Temperature
Rating
Load
Shipping
Number
2-4°C Dew Point**
Voltage
(HP)
Amps
Weight
(dm
3
/s/hr)
WRA-0250-4
99
380/50/3
2.0
4.4
660
WRA-0300-4
118
380/50/3
2.5 5.2
675
WRA-0400-4
158
380/50/3
3.2 6.4
690
WRA-0500-4
197
380/50/3
3.8
7.7
700
All inlet and outlet air connections are: 2" NPT.
Specifications apply to air-cooled, water-cooled and 50 hertz.
Air flow rates are based on 100 psig (7 bar) inlet pressure and 100°F inlet air temperature.
System
COMPRESSOR DATA
Full
Model
SCFM
Load
Fan
Number
Flow
Voltage
HP
Full Load Amps
LRA
Amps
CFM
Shipping
WRA-0250-2
250
230/60/1
2.0 9.9
53
12.1
1700
660
WRA-0250-3
250
230/60/3
2.0
6.6
49
8.8
1700
660
WRA-0250-4
250
460/60/3
2.0
3.3
24
4.4
1700
660
WRA-0300-2
300
230/60/1
2.5 12.7
64
14.9
1700
675
WRA-0300-3
300
230/60/3
2.5 7.7
49
9.9
1700
675
WRA-0300-4
300
460/60/3
2.5 3.9
24
5.0
1700
675
WRA-0400-2
400
230/60/1
3.2 17.2
95
19.4
1870
690
WRA-0400-3
400
440/60/3
3.2
10.8
65
13.0
1870
690
WRA-0400-4
400
460/60/3
3.2 5.3
27
6.4
1870
690
WRA-0500-2
500
230/60/1
3.8 21.5
46
23.7
1870
700
WRA-0500-3
500
230/60/3
3.8
13.3
92
15.5
1870
700
WRA-0500-4
500
460/60/3
3.8
6.6
116
7.7
1870
700
System
COMPRESSOR DATA
Full
Model
SCFM
Load
Number
Flow
Voltage
HP
Full Load Amps
LRA
Amps
Shipping
WRA-0250-2
250
230/60/1
2.0 9.9
53
9.9
660
WRA-0250-3
250
230/60/3
2.0
6.6
49
6.6
660
WRA-0250-4
250
460/60/3
2.0
3.3
24
3.3
660
WRA-0300-2
300
230/60/1
2.5 12.7
64
12.7
675
WRA-0300-3
300
230/60/3
2.5 7.7
49
7.7
675
WRA-0300-4
300
460/60/3
2.5 3.9
24
3.9
675
WRA-0400-2
400
230/60/1
3.2 17.2
95
17.2
690
WRA-0400-3
400
440/60/3
3.2
10.8
65
10.8
690
WRA-0400-4
400
460/60/3
3.2 5.3
27
5.3
690
WRA-0500-2
500
230/60/1
3.8 21.5
46
21.5
700
WRA-0500-3
500
230/60/3
3.8
13.3
92
13.3
700
WRA-0500-4
500
460/60/3
3.8
6.6
116
6.6
700
