Maxim M72 Extreme Chamber Exhaust Silencers, Expected Attenuation is 40 to 55 dBA, to download spec page here

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
• Drain connections

Optional 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

M72 Attenuation