Engine exhaust silencers SMP

The SMP range of engine exhaust silencers developed by Groupe BOËT has been designed to meet the growing challenges of noise reduction in industrial environments. These solutions cover a wide spectrum of acoustic performance, from standard attenuation to very high reductions, enabling them to adapt ...

Modular solutions for every acoustic requirement

The SMP range stands out for its flexibility and modularity, offering an optimized solution for every industrial project. This versatile range covers cogeneration and generator applications as well as projects in urban or hospital areas, where noise control is essential.

  • Entry-level models guarantee moderate noise reduction, ideal for sites with limited acoustic constraints.
  • Intermediate models offer a compromise between compactness, attenuation and engine efficiency.
  • High-performance models achieve attenuation levels of up to 48-50 dB(A), thanks to a multi-volume design with reactive and absorptive coupling, suitable for installations with stringent acoustic requirements.

Field of application

  • Power generation
  • Cogeneration plants
  • Stationary and mobile generators
  • Urban and residential areas
  • Hospitals and sensitive buildings
  • Containers and Acoustic enclosures

Product features

Each SMP silencer benefits from a robust design in carbon or stainless steel, guaranteeing strength and durability in demanding environments.
Standardized connections (PN10 flanges, bent or tapered edges) and radial or axial orientations facilitate integration into a variety of configurations.
Manufacturing is carried out to tolerances in compliance with ISO 13920 class B, ensuring precision and reliability. The SMP range covers diameters from DN50 to over DN800, making it suitable for both low-power motors and high-capacity industrial installations.

Key product benefits

The SMP silencer is a strategic choice for industrial operators thanks to its many advantages:

  • Wide sound attenuation range, from 15 to 48 dB(A), adapted to specific needs.
  • Preservation of motor efficiency thanks to optimized sizing to limit pressure losses.
  • Mechanical and thermal robustness, guaranteeing longevity even in extended cycles.
  • Versatile integration in both open and confined spaces.
  • Modular design for easy installation, maintenance and upgradability.
  • Compliance with acoustic and environmental standards, enhancing the reliability of industrial installations.

Product options

  • Choice of materials: carbon steel, 304L stainless steel, 316L stainless steel
  • Specific connections: BW, BS10, WN
  • Radial or axial orientations
  • Customizable dimensions (length, diameter, weight)
  • Reinforced design for high-temperature environments

Made-to-measure

The Groupe BOËT designs customized SMP silencers, taking into account gas flow, motor power and permissible pressure drops. This approach guarantees an optimum balance between noise reduction, motor efficiency and space requirements, for both new installations and renovation projects.
Whether for power generation plants, generator sets in sensitive urban areas, or industrial sites subject to extreme conditions, the SMP range adapts to every need, offering a high-performance, durable solution that complies with current standards.

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