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 Design	Model	Attenuation Grade	Insertion Loss (dbA Reduction, est.)
View the Part Number Legend View Mounting Options	JI	Industrial	12-18
	TR	Residential - Low Pressure Drop	12-15
	JR	Residential	18-25
	SUR	Residential Spark Arrestor	18-25
	TC	Critical - Low Pressure Drop	17-22
	JC	Critical	25-35
	SUC	Critical Spark Arrestor	25-32
	JH	Hospital	35-40
	SUH	Hospital Spark Arrestor	32-38
Disk Design (for limited ceiling height installations)	Model	Attenuation Grade	Insertion Loss (dbA Reduction, est.)
View the Part Number Legend	DKC	Critical	25-33
	DSC	Critical Spark Arrestor	22-36
	DKSC	Super-Critical	30-40
	DKH	Hospital	34-43
	DSH	Hospital Spark Arrestor	26-43
	OC	Oval Critical Grade	28-36
	OSC	Oval Super Critical Grade	34-42
	OH	Oval Hospital Grade	38-46
	OX	Oval Extreme Grade	44-52
Cowl Design (for small engine aplications)	Model	Attenuation Grade	Insertion Loss (dbA Reduction, est.)
	See Cowl Catalog	Residential	22-28
	See Cowl Catalog	Residential	22-28
	See Cowl Catalog	Critical	28-33
	See Cowl Catalog	Critical	28-33
	See Cowl Catalog	Residential	22-28
	See Cowl Catalog	Residential	22-28
	See Cowl Catalog	Critical	28-33
	See Cowl Catalog	Critical	28-33
	See Cowl Catalog	Residential	22-28
	See Cowl Catalog	Residential	22-28
	See Cowl Catalog	Critical	28-33
	See Cowl Catalog	Critical	28-33