Best Chamber Type Spark Arresting: Model MSA4 Expected Attenuation is 28 to 32 dBA Use a model MSA4 for the highest degree of silencing in areas requiring “hospital grade” noise reductions and a spark arresting feature. The MSA4 is presently the top-of-the-line reaction silencer without addition of insulated inlets, outlets or shells or custom silencer design. Example: Suitable for use where background noise is extremely low, such as residential or hospital locations away from busy streets.

	Typical Applications Internal combustion engine exhausts High efficiency spark arresting requirements

	Features Advanced acoustical design Heavy duty, all welded construction and long service life Easily installed in any position Prime coated exterior finish Efficient spark arresting

	Optional Accessories Explosion relief cover Flexible connectors Companion flanges Cleanout openings Side inlet(s) Horizontal or vertical support arrangements Special paint Stainless steel construction

To order or for more
information on the Maxim
Chambered Spark Arresting Silencers, Model MSA4,
call us at 832-554-0980 or
complete our Contact Form.

	Best Chamber Type Spark Arresting: Model MSA4 with inline inlet and outlet

	Attenuation for Best Chamber Type Spark Arresting: Model MSA4

Best Chamber Type Spark Arresting:
Model MSA4 Sizes and Specifications

N
Size	A	B	C	Min.	Max.	O	P	Est. Wt.	PDF
4"	18	64	4	6	31	12	61¼	200
5"	22	72	5	6	35	14	69¼	285
6"	26	85	6	9	41½	16	82½	390
8"	30	103	8	10½	50	18½	100	585
10"	36	118	10	12½	59	21½	115	860
12"	36	146	12	13	58	21½	143	1250
14"	40	145	14	16	56	23½	142	1525
16"	45	164	16	18	63	26	161¼	2150
18"	50	188	18	20	74	29	185	3450
20"	54	217	20	21	84	31	214	4075
22"	60	230	22	23	92	34	227	5050
24"	64	258	24	25	105	36	255¼	6075
26"	68	283	26	26	115	38	280¼	7325
28"	72	315	28	28	128	40	312¼	8225
30"	78	326	30	30	133	43	323½	9250

Download the Maxim MSA4 spec page here.