Inline, ASME Code Silencers:
Expected Attenuation is 30 dBA
ILL-30 silencers will provide a very high level of silencing and
minimal pressure drop when properly installed with pressure reducing
valves and on centrifugal compressor discharges. These silencers are
fabricated in accordance with ASME Boiler and Pressure Vessel Code,
Section VIII, Division I.