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Atomuffler M-Series Air Exhaust Mufflers

Atomuffler M-Series Air Exhaust Mufflers

General Purpose, provides up to 85% noise reduction and 94% flow factor

The Atomuffler® M-Series Air Exhaust Mufflers provide reliable and effective noise suppression from compressed air systems. Often imitated but never replicated, Atomuffler® brand mufflers have managed excessive noise and promoted employee safety for more than 60 years. These leading product designs dissipate harmful air blasts and reduce Exponentially Perceived Noise (EPNdB).

Atomuffler® products have a unique air-diffuser system that is a proven approach to sound control and are easy to install and use. Leading noise consultants and safety engineers throughout the world recommend use of Atomuffler® products.

When you specify the Atomuffler® brand, you can be confident you're getting the ultimate in noise reduction, advanced muffler design, exceptional service and value. Just like thousands of other plants, your facility can have a more pleasant and productive work environment by reducing extreme air blasts and air noise.


  • • Reduces perceived noise without impeding equipment or flow performance.
  • • Exhaust air flows to atmosphere free of noise, oil fog, and other contaminants.
  • • Unique obstruction-free expansion chamber.
  • • Corrosion-resistant aluminium end covers.
  • • Zinc-plated steel components.
  • • Cellulose fiber element.
  • • Recommended for general purpose air exhaust applications for pressures up to 125 psi.
  • • Maximum Temperature: 300F

The M-Series mufflers are offered in many NPT sizes. Please select the model below that is needed to order online or see more information. If you have questions contact our customer service by calling toll-free: 866-650-1937 or email

Model Type Part Number Connection Size Diameter Length Replacement Element Flow SCFM
M01 0111001 1/8" 1.84" 3.12" 0911001 44
M02 0111002 1/4" 1.84" 4.37" 0911002 84
M00 0111000 3/8" 2.59" 5.12" 0911000 192
M05 0111005 1/2" 3.15" 6.00" 0911005 256
M07 0111007 3/4" 3.40" 7.18" 0911007 544
M10 0111010 1" 3.90" 8.75" 0911010 800
M12 0111012 1-1/4" 3.90" 8.75" 0911012 1360
M15 0111015 1-1/2" 5.25" 13.56" 0911015 2080
M20 0111020 2" 5.25" 18.87" 0911020 3200
M30 0111030 3" 7.00" 22.93" 0911030 7200
M40 0111040 4" 8.00" 23.56" 0911040 14000
M60 0111060 6" 11.00" 30.93" 0911060 36000
How it Works

How It Works

Atomuffler® muffler and filter product lines reduce excessive noise by dividing the air stream and turning it back on itself. As air exhaust enters the muffler at high velocity, Atomuffler and Bantam mufflers redirect it into smaller air streams that rebound off opposing walls of the muffler chamber. With air streams colliding head-on with each other, velocity is reduced and the exhaust air is gently dispersed throughout the disseminator surface area. This technique reduces noise without sacrificing machine performance.

Manage Compressed Air Noise

  • Commonly known as exhaust mufflers, these devices promote clean and quiet pneumatic operations besides promoting health & safety in the industrial workplace.
  • Reduces Exponentially Perceived Noise (EPNdB) without impeding equipment performance.
  • Designed to take air exhaust noise discharged from valve exhaust ports, cylinders, and other compressed air equipment, and muffle it with optimised Constant Velocity (CV) flow factor.
  • Exhaust air flows softly to atmosphere free of noise, oil fog, and other contaminants.
  • Features a unique obstruction-free expansion chamber, with corrosion-resistant aluminium end covers, zinc-plated steel components and a cellulose fiber element.
  • Female connections available on request.
More Information

Beginning in the early 1900s, the concept of "noise" came into public awareness. Factories, automobiles, and even talking movies generated new - and much of it unwanted - background sound that made everyday living more unpleasant and unhealthy. Various sources show evidence of these concerns from that era, including numerous and varied studies and journal reports. The first electrical sound meter was documented in 1907-8 and the first tentative standards for sound meters were published in 1936.

Beginning in the late 1940s with a focus on air-operated equipment, Atomuffler® and then Bantam® mufflers have been setting industry standards in sound control applications all over the world. Both are specified in a wide range of industrial applications where efficiency, dependability and performance are critical. In addition to having superior sound silencing properties, they are also valuable air diffusers that are unsurpassed in the muffler field. Air diffusion positively prevents troublesome air flow and dangerous after-blasts.

Noise Information - How much noise is too much?

  • Noise levels in the upper 70 decibel (dB) range are annoying to some people.
  • Exposure to levels above 80 dB for 8 hours may cause hearing damage, while exposure to levels above 90 dB for the same amount of time is likely to cause hearing damage.
  • When noise levels are above 100 dB for 8 hours, serious hearing damage is possible.
  • 120 dB is considered the human threshold for pain, and eardrum rupture can occur at 150 dB.

Damage caused by noise goes beyond just hearing loss. Recent studies have shown that sustained exposure to high levels of noise can cause stress, hypertension, and even cardiovascular problems.

For example, tests performed on air exhausts not equipped and equipped with Atomuffler® products showed that noise levels can drop from 97-121 dB without a muffler down to 81-84 dB with Atomuffler® products. Thats a decrease of up to 37 dB. On average, noise levels were reduced 17-25 dB. However, every application is different and there is no way to predict exact results.

From a different perspective - dB and power:

  • 3 dB reduction cuts sound energy in half
  • 10 dB reduction decreases sound energy by a factor of 10
  • 20 dB reduction decreases sound energy by a factor of 100

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