Diesel and gas mufflers—also known as exhaust silencers—are specialised components designed to reduce the noise produced by diesel and gas-powered engines. The mufflers work by slowing down and dissipating the exhaust gases as they exit the engine, which reduces the pressure and sound waves produced by the engine. In addition to reducing noise, diesel and gas mufflers can also play a role in reducing emissions by increasing the turbulence of the exhaust gases, which in turn helps to improve the mixing of fuel and air that promotes more complete combustion of the fuel.

Acran Sound Control’s custom engineered mufflers are suitable for the noise reduction of exhaust gases emitted from internal combustion engines, vacuum pump intake and discharge lines, and similar equipment. The mufflers are designed to suit a wide range of engine capacities and various fuel sources, including natural gas, methane, diesel, heavy fuel, and dual fuel.

Main applications


  • Power stations
  • LNG facilities
  • Standby power generators

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Design features

  • Standard or bespoke design to suit various applications and arrangements
  • Circular or rectangular in design
  • Low velocity and pressure loss designs
  • Manufactured in a variety of materials including coated steel, stainless steel, and speciality alloys capable of handling temperature
  • Tested and proven designs specifically for gas engines, with detonation protection

Optional extras

  • Expansion bellows
  • Thermal insulation blankets
  • Exhaust stacks
  • Spark arrestor
  • Steel support frames and structures
  • Flange kits including gaskets and fixings
  • Hydrostatic testing

Completed projects

  • Lihir Power Station: 1 x 19MW Wartsila low speed diesel replacement unit, exhaust silencers, and fexible bellows
  • Owen Springs Power Station: 3 x 11.5MW MAN diesel low speed diesels, exhaust silencers, exhaust stacks, pipework spools, and flexible joints
  • Ichthys on-shore LNG facility: 6 x 2.7MW diesel gen sets, exhaust silencers, exhaust pipework, and thermal lagging kits
  • Channel Island Power Station: 1 x 1675 kVa exhaust silencer, exhaust pipework, and exhaust stacks.

Engineering process

We design and manufacture bespoke noise control and ventilation solutions for your specific commercial or industrial premises.

Acran Sound Control provides highly specialised expertise and experience, engineering prowess with in-house Australian manufacturing, highly trained installation teams, and bespoke project management.

Our bespoke engineering process:

If your business or project needs to control noise or implement ventilation, we will engineer, manufacture and install a bespoke solution designed just for you.


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