M51 Legacy Chamber Silencers

28 to 32 dBA Noise Reduction

Use a model M51 for the highest degree of silencing in areas requiring “hospital grade” noise reductions. The M51 is presently the top-of-the-line silencer without resorting to multiple silencers in series or custom designed silencers. 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 intakes and exhausts, blower intakes and discharges and 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
Sizes 1 to 3 have MNPT connections
Sizes 1-10 are two chambered, 12 and larger have three chambers

Options / Accessories

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

Attenuation Curves

To download the Maxim M51 spec page click here

Part No*	C Size	A	B	N Min	N Max	O	P	Est Wt	Drawing
M51-1.5	1.5	7	26	3	11	6.5	5 1/2	19
M51-2	2	10.25	25	3.5	10.5	8	7 1/8	27
M51-2.5	2.5	12	26	4.5	15.5	9	33 1/4	45
M51-3	3	14	45	5.25	21.25	10	42 1/2	80
M51-3.5	3.5	16	53	6	25	11	50 1/4	95
M51-4	4	18	64	6.5	31	12	61 1/4	200
M51-5	5	22	72	8	35	14	69 1/4	285
M51-6	6	26	85	9	41.5	16	82 1/2	390
M51-8	8	30	103	10.5	50	18.5	100	585
M51-10	10	36	118	12.5	59	21.5	115	860
M51-12	12	36	146	13	58	21.5	143	1250
M51-14	14	40	145	16.5	56	23.5	142	1525
M51-16	16	45	164	18	63	26	161 1/4	2150
M51-18	18	50	188	20	74	29	185	3450
M51-20	20	54	217	21	84	31	214	4075
M51-22	22	60	230	23	92	34	227	5050
M51-24	24	64	258	25	105	36	255 1/4	6075
M51-26	26	68	283	26	115	38	280 1/4	7325
M51-28	28	72	315	28	128	40	312 1/4	8225
M51-30	30	78	326	30	133	43	323 1/2	9250
All dimensions are in inches. All weights are in pounds. Weights are approximate. Listed sound data is based on typical performance and should not be considered absolute. *See nomenclature guide for additional information on part number creation.

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M51 Legacy Chamber Silencers

28 to 32 dBA Noise Reduction