Type
|
DN(mm)
|
Air pressure (Mpa)
|
Audibility Range (n.m.)
|
1/3rd Octave band sound pressure level (dB)
|
Frequency range (Hz)
|
Length of vessel (m)
|
YQ-6
|
6
|
0.6
|
0.5
|
≥120
|
250-700
|
<20
|
YQ-8
|
8
|
0.6
|
1
|
≥130
|
250-700
|
≥20<75
|
YQ-10
|
10
|
0.8-1.0
|
1.2
|
≥130
|
700
|
75
|
YQ-15
|
15
|
1
|
1.5
|
≥138
|
130-350
|
≥75<200
|