M72 Extreme Chamber Exhaust Silencers

40 to 55 dBA Noise Reduction

The M72 is engineered for areas requiring extreme grade noise reductions and is a reactive and absorptive silencer designed to achieve maximum attenuation as well as minimize radiated noise from breakout, without resorting to multiple silencers in series or custom designed silencers.

Typical application: Internal combustion engine exhausts in extremely low background noise areas, such as residential or hospital locations away from busy streets..

Features

  • Advanced acoustical design
  • Heavy duty, all welded construction and long service life
  • Easily installed in any position
  • High heat silicone black finish
  • Connections: Sizes 3.5 and under MNPT, 4 and up ANSI pattern flanged
  • Sizes 6 and under are two chambered, 8 and above are three chambers
  • Drain connections

Options / Accessories

  • Explosion relief cover
  • Flexible connectors
  • Companion flanges
  • Cleanout openings
  • Custom inlet/outlet size, location and multiple orientation types available
  • Horizontal or vertical support arrangements
  • Aluminized steel, Stainless Steel 304 or 316 construction available
  • Special paints and finishes available
  • Complete range of exhaust accessories

Attenuation Curves

To download the Maxim M72 spec page click here

Part No* C Size A B N Min N Max O P R Min S H Est Wt C1 C2
M72-1.5 1.5 12 60 5 9 57 5 54 3 188
M72-2 2 12 64 6 9 61 6 58 3 204
M72-2.5 2.5 14 70 7 10 67 7 64 3 264
M72-3 3 16 74 7 11 71 7 68 3 329
M72-3.5 3.5 18 78 8 12 75 8 72 3 389
M72-4 4 22 84 8 15 80 8 76 4 468
M72-5 5 26 97 10 17 93 10 89 4 698
M72-6 6 30 110 12 19 106 12 102 4 944
M72-8 8 36 134 13 22 130 13 126 4 1511
M72-10 10 40 150 15 24 146 15 144 4 1910
M72-12 12 40 158 15 24 154 15 150 4 2084
M72-14 14 45 174 18 27.5 169 18 164 5 2549
M72-16 16 50 194 21 30 189 21 184 5 3237
M72-18 18 54 208 23 32 203 23 198 5 3944
M72-20 20 60 226 25 35 221 25 216 5 5443
M72-22 22 64 228 26 37 223 26 218 5 6006
M72-24 24 68 233 27 39 228 27 223 5 6638
M72-26 26 72 234 29 41 229 29 224 5 7196
M72-28 28 78 244 30 44 239 30 234 5 9513
M72-30 30 84 254 32 47 249 32 244 5 10807
  • 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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M Series Chamber Silencers

M11 Industrial grade, 15 to 20 dBA expected attenuation
M22 Residential grade, 20 to 25 dBA expected attenuation
M32 Critical grade, 25 to 32 dBA expected attenuation
M42 Super Critical grade, 30 to 38 dBA expected attentation
M52 Hospital grade, 35 to 42 dBA expected attenuation
M62 Hospital Plus grade, 35 to 50 dBA expected attenuation
M72 Extreme grade, 40 to 55 dBA expected attenuation
M82 Super Extreme grade, 45 to 60 dBA expected attenuation

To order or for more information, call us at 800-234-6778 or complete our Contact Form

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