Tech Tools
OUR TOOLS ALLOW YOU TO SELECT SILENCERS:
  • Rectangular Silencer Selector
  • Round Silencer Selector
HOW TO USE:
  • Click the tab at the top of the page for the calcualtion you would like to run. After entering all the required information, click the appropriate button to see the results.
RESULTS:
  • The results are shown at the bottom of the page and are rounded to various digits.

Sounpak® Rectangular Silencer Selector

This web tool calculates recommended Sounpak rectangular silencer models for given physical, acoustical, and pressure specifications. It also displays applicable data for the suggested silencers. The only fields required are the volume flow rate, the width, and the height. All other fields that are blank will be treated as "don't care" values. The Sounpak model designations are links that will take you to detailed data for that silencer. The Save Result column button can be used to save the silencer to a schedule that is shown at the bottom of the page.
Enter Required Insertion Loss for the following:
** Click models in the Soundpak Model column to view PDF datasheets!
Soundpak Silencer Results
Soundpak Model Length 63 Hz dB 125 Hz dB 250 Hz dB 500 Hz dB 1K Hz dB 2K Hz dB 4K Hz dB 8K Hz dB Pressure Drop (inches of water) Weight (lbs) Selection Save Result
Results Key
Soundpak Model Color Code Insertion Loss/Pressure Drop Color Code Selection Color Code
Designation
Standard Sounpak Silencer
Value
Insertion Loss Is within 0.5dB for the Octave or Pressure Drop Is within 10%
A
Sounpak Silencer Meets or Exceeds Required Insertion Loss and Pressure Drop
Designation
Sounpak Silencer with a Vapor Barrier
Value
Insertion Loss Is within 6dB for 63 Hz or 3dB for All Other Octaves or Pressure Drop Is within 20%
B
Sounpak Silencer Meets Required Insertion Loss or Pressure Drop within ASTM Interlaboratory Variance
Designation
Sounpak Silencer with a Special Order Vapor Barrier Approved by the FDA
Value
Insertion Loss Is within 7dB for At Least One Octave or Pressure Drop Is within 50%
C D E
Sounpak Silencer Meets Required Insertion Loss or Pressure Drop within ASTM Interlaboratory Variance
Note:
  1. ASTM interlaboratory testing has shown insertion loss may vary as much as 6 dB in the 63 Hz band, and 3 dB for all other frequencies.
  2. Results are not guaranteed for accuracy. McGill AirFlow/AirSilence LLC has made every effort possible to ensure correct methodology and use of public domain information. It is up to the user to verify the accuracy of calculations.
  3. For more information on all silencers, please open the following file: Sounpak Silencers Performance Data.pdf (file size: 3.5 mb).
Sounpak Silencer Saved Selection Schedule
Tag Model Length Width Height Press Drop Weight Remove?
63 Hz 125 Hz 250 Hz 500 Hz 1K Hz 2K Hz 4K Hz 8K Hz

Sounpak® Round Silencer Selector

This web tool calculates recommended Sounpak round silencer models for given physical, acoustical, and pressure specifications. It also displays applicable data for the suggested silencers. The only fields required are the volume flow rate, the width, and the height. All other fields that are blank will be treated as "don't care" values. The Sounpak model designations are links that will take you to detailed data for that silencer. The Save Result column button can be used to save the silencer to a schedule that is shown at the bottom of the page.
Enter Required Insertion Loss for the following:
** Click models in the Soundpak Model column to view PDF datasheets!
Soundpak Silencer Results
Soundpak Model Length 63 Hz dB 125 Hz dB 250 Hz dB 500 Hz dB 1K Hz dB 2K Hz dB 4K Hz dB 8K Hz dB Pressure Drop (inches of water) Weight (lbs) Selection Save Result
Results Key
Soundpak Model Color Code Insertion Loss/Pressure Drop Color Code Selection Color Code
Designation
Standard Sounpak Silencer
Value
Insertion Loss Is within 0.5dB for the Octave or Pressure Drop Is within 10%
A
Sounpak Silencer Meets or Exceeds Required Insertion Loss and Pressure Drop
Designation
Sounpak Silencer with a Vapor Barrier
Value
Insertion Loss Is within 6dB for 63 Hz or 3dB for All Other Octaves or Pressure Drop Is within 20%
B
Sounpak Silencer Meets Required Insertion Loss or Pressure Drop within ASTM Interlaboratory Variance
Designation
Sounpak Silencer with a Special Order Vapor Barrier Approved by the FDA
Value
Insertion Loss Is within 7dB for At Least One Octave or Pressure Drop Is within 50%
C D E
Sounpak Silencer Meets Required Insertion Loss or Pressure Drop within ASTM Interlaboratory Variance
Note:
  1. ASTM interlaboratory testing has shown insertion loss may vary as much as 6 dB in the 63 Hz band, and 3 dB for all other frequencies.
  2. Results are not guaranteed for accuracy. McGill AirFlow/AirSilence LLC has made every effort possible to ensure correct methodology and use of public domain information. It is up to the user to verify the accuracy of calculations.
  3. For more information on all silencers, please open the following file: Sounpak Silencers Performance Data.pdf (file size: 3.5 mb).
Sounpak Silencer Saved Selection Schedule
Tag Model Length Diameter Press Drop Weight Remove?
63 Hz 125 Hz 250 Hz 500 Hz 1K Hz 2K Hz 4K Hz 8K Hz