Condensers
Dry Coolers
23
Dry Coolers Technical Manual 9308503 V2_06_2020
Te
ch
nic
al
Sound
Overall
Frequency (Hz) dB
Measurement
dB(A)
63
125
250
500
1000
2000
4000
8000
DR10
Power
75
69
86
75
68
69
65
61
51
Pressure @ 10m
47
41
58
47
40
41
37
33
23
DR12
Power
75
69
86
75
68
69
65
61
51
Pressure @ 10m
47
41
58
47
40
41
37
33
23
DR15
Power
79
80
90
73
74
74
70
64
63
Pressure @ 10m
51
52
62
45
46
46
42
36
35
DR20
Power
83
80
83
82
79
79
73
68
60
Pressure @ 10m
55
52
55
54
51
51
45
40
32
DR25
Power
79
80
90
73
74
74
70
64
63
Pressure @ 10m
51
52
62
45
46
46
42
36
35
DR30
Power
83
80
83
82
79
79
73
68
60
Pressure @ 10m
55
52
55
54
51
51
45
40
32
DR35
Power
82
83
93
76
77
77
73
67
66
Pressure @ 10m
54
55
65
48
49
49
45
39
38
DR45
Power
86
83
86
85
82
82
76
71
63
Pressure @ 10m
58
55
58
57
54
54
48
43
35
DR40
Power
82
83
93
76
77
77
73
67
66
Pressure @ 10m
54
55
65
48
49
49
45
39
38
DR50
Power
86
83
86
85
82
82
76
71
63
Pressure @ 10m
58
55
58
57
54
54
48
43
35
DR55
Power
84
78
93
79
78
80
75
69
68
Pressure @ 10m
56
50
65
51
50
52
47
41
40
DR70
Power
88
85
88
87
84
84
78
73
65
Pressure @ 10m
60
57
60
59
56
56
50
45
37
DR75
Power
84
78
93
79
78
80
75
69
68
Pressure @ 10m
56
50
65
51
50
52
47
41
40
DR95
Power
88
85
88
87
84
84
78
73
65
Pressure @ 10m
60
57
60
59
56
56
50
45
37
Vertical