Industrial Silencer Solutions

Industrial Silencer Solutions

For more than half a century, OEMs, EPCs, packagers and end-users have relied on Dürr Universal to engineer acoustic and emission/filtration systems to meet their specific needs. We provide solutions for customers around the world with applications from 5 megawatts to as large as several hundred megawatts meet clean, quiet air regulations safely and efficiently.

Dürr Universal manufactures a complete line of noise control and air filtration solutions for industrial processing within a wide range of industries, delivering thousands of quality components to the industrial power market each year. Whether your processing needs require standard silencing, custom silencing or filtration, we are your single source for a complete solution.


Blower Silencer


Blower silencers are required in many applications such as industrial processing and wastewater treatment. Silencers applied to blower applications will take on different configurations based on the specific noise that needs to be attenuated. Dürr Universal silencers are regularly applied to both the intake and discharge sides of a blower. With hundreds-of-thousands of blower silencers sold to date, Universal is an industry expert in meeting blower silencing needs.           

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Universal Inlet Discharge Silencer

Absorptive Silencer

Universal Absorptive Silencer

Absorptive silencers use sound-absorptive media to provide effective attenuation on high-noise frequencies (500-8,000 Hz). At frequencies above or below this range, attenuation performance is somewhat diminished. Since noise is absorbed by the media, absorptive silencers do not rely on internal baffles, tubes or other restrictive devices to achieve noise reduction. Consequently, absorptive silencers generally employ a “straight-through” or similar internal designs that cause minimal air-flow restriction.

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Vent Silencer

Vent silencers are used in conjunction with systems that utilize a pressure relief valve. When gas is released to atmosphere it can create excessive noise that can be objectionable to surrounding areas. Typical applications for vent silencers include oil & gas, industrial and chemical processing, heat recovery systems and steam boilers. Dürr Universal vent silencers are used around the world in a wide range of applications, including steam vent silencers for industrial applications and blowdown silencers for gas compression stations.     

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Universal Vent Silencer

Separator Silencers

Universal Vacuum Pump Liquid Separator-Silencers

Separator silencers are used to remove liquid from gas flow vacuum systems for either liquid-sealed rotary positive blowers or liquid ring vacuum pumps. Separator silencers may be required for both the inlet (vacuum) and the discharge (atmospheric) of a vacuum system. Only the most stringent acoustical environments require significant inlet silencing. An inlet separator provides corrosion protection for the vacuum pump by removing most, if not all, of the process liquid before it enters the vacuum pump. The vacuum pump or blower discharge is normally extremely noisy, and Dürr Universal can provide high-performance separator-silencers to meet these demanding applications.           

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Engine Exhaust Silencers

Exhaust silencers provide excellent performance for all types of reciprocating engine applications. Universal offers silencers in four different attenuation grades, and in a variety of styles and configurations, including spark-arresting silencers for gas engine applications. Engine packagers in power generation, oil & gas, and OEM markets look to Dürr Universal to provide standard and custom-designed engine silencers that provide excellent sound attenuation and meet the most critical of silencing requirements.     

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Universal Exhaust Silencer

Industrial Filters

Universal lntake Air Filter Silencer

The full line of filtration technologies from Dürr Universal cover gas turbines, compressors, blowers and diesel engines. From replacement filters and housings, our filters deliver effective and efficient filtration at high airflow levels with a minimum amount of pressure drop. We offer three types of elements for cartridge filters and filter/silencers: pleated cellulose media provides the highest efficiency, while pleated felt and wire mesh are suitable for applications that are less demanding. The physical characteristics of the pleated cellulose media are closely monitored to ensure consistent high-performance.

The pleated cellulose element provides excellent efficiency and dirt-holding capacity for the most demanding conditions, is oven-cured, and has endcaps that are molded urethane with integrated sealed beads or stamped metal with gaskets. The felt element has durable polyester felt media and endcaps that are molded urethane with integrated sealed beads. The wire mesh element is treated with an oil-free adhesive, is recommended for “rough” filtration only, and can be cleaned and reused.     

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Filter Silencers

Filter silencers combine noise abatement and emission requirements to deliver a complete system that is matched to your specific performance requirements. Our engineering, design and build capabilities ensure your operation is optimized for peak performance and efficiency.

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Universal Filter Silencer