Super Critical Grade Chamber Type Silencer: Model M42 Expected Attenuation is 30 to 38 dBA Use a model M42 for quiet residential areas where background noise is relatively low and “super critical” grade silencing 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 intakes and exhausts Blower intakes and discharges Vacuum pump discharges

	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 Drain connections

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

To order or for more
information on Maxim
Model M42,call us at
832-554-0980 or complete
our Contact Form.

	Super Critical Grade Chamber Type Silencer: Model M42-E with inline inlet and outlet Super Critical Grade Chamber Type Silencer: Model M42-S with side inlet.

	Attenuation for Super Critical Grade Chamber Type Silencer: Model M42

Super Critical Grade Chamber Type Silencers:
Model M42 Sizes and Specifications

N
Size	A	B	C	Min	Max	O	P	Est. Wt.	End PDF	Side PDF
4"	16	51	4	6 ½	18	12	47	90
5"	18	62	5	7	24	13	58	120
6"	22	69	6	8 ½	26	15	65	175
8"	26	82	8	10	32	17	78	304
10"	30	102	10	12	45	19	98	484
12"	36	112	12	15	51	22	108	659
14"	40	120	14	15 ½	52	25	115	930
16"	45	126	16	17	55	27 ½	121	1140
18"	50	135	18	19 ½	60	30	130	1623
20"	54	149	20	21 ½	67	32	144	2055
22"	60	157	22	23	72	35	152	2464
24"	64	164	24	24 ½	75	37	159	2803
26"	68	184	26	25 ½	85	39	179	3282
28"	72	205	28	27	97	41	200	3788
30"	78	220	30	28 ½	104	44	215	5293

Download the Maxim M42 spec page here.