Silencer Selection Guide

Use this Silencer Selection Guide to select a silencer model based on the configuration and attenuation characteristics required.  If you need help identifying the appropriate model number, please contact us for a detailed sizing report.  Need specific drawings in Adobe or Autocad format? Download them here!

Cylindrical DesignModelAttenuation GradeInsertion Loss
(dbA Reduction, est.)
Cylindrical Silencer Arrangement

View the Part Number Legend

View Mounting Options
TRResidential - Low Pressure Drop12-15
SURResidential Spark Arrestor18-25
TCCritical - Low Pressure Drop17-22
SUCCritical Spark Arrestor25-32
SUHHospital Spark Arrestor32-38
Disk Design
(for limited ceiling height installations)
ModelAttenuation GradeInsertion Loss
(dbA Reduction, est.)
Disk Silencer Installation

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DSCCritical Spark Arrestor22-36
DSHHospital Spark Arrestor26-43
OCOval Critical Grade28-36
OSCOval Super Critical Grade34-42
OHOval Hospital Grade38-46
OXOval Extreme Grade44-52
Cowl Design (for small engine aplications)ModelAttenuation GradeInsertion Loss
(dbA Reduction, est.)
Cowl TS-PRSee Cowl CatalogResidential22-28
Cowl TS-PLSee Cowl CatalogResidential22-28
Cowl TXS-PRSee Cowl CatalogCritical28-33
Cowl TXS-PLSee Cowl CatalogCritical28-33
Cowl TS-TRSee Cowl CatalogResidential22-28
Cowl TS-TLSee Cowl CatalogResidential22-28
Cowl TXS-TRSee Cowl CatalogCritical28-33
Cowl TXS-TLSee Cowl CatalogCritical28-33
Cowl TS-PVSee Cowl CatalogResidential22-28
Cowl TS-SRSee Cowl CatalogResidential22-28
Cowl TXS-PVSee Cowl CatalogCritical28-33
Cowl TXS-SRSee Cowl CatalogCritical28-33