Better Chamber Type Silencer: Model M31 Expected Attenuation is 20 to 24 dBA Use a model M31 in residential areas where background noise is present but not objectionable. In these areas, installation of an M31 on an engine exhaust is intended to bring the noise level down to match the ambient noise levels. Example: In a quieter residential area off main traffic areas and away from constant noise sources.

	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 Prime coated exterior finish

	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
Chamber Type Silencers, Model M31,
call us at 832-554-0980 or
complete our Contact Form.

	Better Chamber Type Silencer: Model M31-E with inline inlet and outlet Better Chamber Type Silencer: Model M31-S with side inlet.

	Attenuation for Better Chamber Type Silencer: Model M31

Better Chamber Type Silencer:
Model M31 Sizes and Specifications

N
Size	A	B	C	Min	Max	O	P	Est. Wt.	PDF
4"	14	48	4	5½	22	10	45 3/16	110
5"	16	55	5	6½	25	11	52 3/16	120
6"	18	63	6	7	29½	12	60 5/16	170
8"	22	76	8	8½	36½	14	73 ⅜	285
10"	26	91	10	10½	43	16½	88	460
12"	30	109	12	12	53	18½	106 ⅛	745
14"	36	102	14	14	48	21½	99 ¼	965
16"	40	119	16	17	56	23½	116 ⅜	1340
18"	45	127	18	19	60	26½	124	1850
20"	50	144	20	21	69	29	141¼	2175
22"	54	161	22	22	78	31	158¼	2650
24"	60	165	24	24	79	34	162¼	3400
26"	64	183	26	26	89	36	180½	3850
28"	68	200	28	27	98	38	197¾	4840
30"	72	216	30	29	107	40	213¾	5150

Download the Maxim M31 spec page here.