FPS / FPSE – Full Flow Area Absorptive
Design with
Internal Center Panel –
Expected Attenuation of High
Frequency
Noise is 15 to 30 dBAUse for high degree of
high frequency noise
attenuation. Use FPS model for intake
service;
FPSE model for exhaust service.
FPC / FPCE – Absorptive Design
with
Internal Center Panel – Expected
Attenuation of High
Frequency Noise is 20
to 25 dBA
Use for medium to high degree of high
frequency noise
attenuation. Use FPC model for
intake service; FPCE model
for exhaust service
FP / FPE – Straight Through, Absorptive
Design –
Expected Attenuation of High
Frequency Noise is 20 dBA
Straight through design with no center panel
offers good
attenuation of high frequency noise
with low pressure drop.
Use for small
atmospheric vent applications, on blower or
compressor intakes and discharges, and as an
add-on to boost
overall attenuation when
installed in series with an M-line
chamber type
silencer. Use FP model for intake service; FPE
model for exhaust service
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