Super Critical Chamber Type Spark Arresting: Model MSA33 Expected Attenuation is 30 to 38 dBA Use a model MSA33 for quiet residential areas where background noise is relatively low and “critical” grade silencing with a spark arresting feature is required. Example: For truly quiet residential areas where ambient noise levels are very low and the sound of birds singing and the soft hum of air conditioning units may be the noticeable noise features.

	Typical Applications Internal combustion engine exhausts Marine service Refinaries / Hazardous environments Offshore drilling / Production platforms

	Features Advanced acoustical design Heavy duty, all welded construction and long service life Easily installed in any position High heat silicone black finish Two chambers Efficient spark arresting Drain connections

	Optional Accessories Explosion relief cover Flexible connectors Companion flanges Cleanout openings Side inlet Horizontal or vertical support arrangements Special paint Stainless steel construction: 304, 316 & 321 Complete range of exhaust accessories Spark arresting efficiency certification

To order or for more
information on Maxim
Model MSA33, call us at
832-554-0980 or complete our Contact Form.

	Super Critical Chamber Type Spark Arresting: Model MSA33

	Attenuation for Super Critical Grade Chamber Type Spark Arresting: Model MSA33

Super Critical Chamber Type Spark Arresting:
Model MSA33 Sizes and Specifications

Size	A	B	C	Min.	O	P	Est. Wt.	End PDF	Side PDF
4"	16	51	4	6 ½	12	47	94
5"	18	62	5	7	13	58	130
6"	22	69	6	8 ½	15	65	186
8"	26	82	8	10	17	78	318
10"	30	102	10	12	19	98	494
12"	36	112	12	15	22	108	690
14"	40	120	14	15 ½	25	115	968
16"	45	126	16	17	27 ½	121	1155
18"	50	135	18	19 ½	30	130	1636
20"	54	149	20	21 ½	32	144	2086
22"	60	157	22	23	35	152	2492
24"	64	164	24	24 ½	37	159	2831
26"	68	184	26	25 ½	39	179	3316
28"	72	205	28	27	41	200	3821
30"	78	220	30	28 ½	44	215	5324

Download the Maxim MSA33 spec page here.