--- title: Blower Silencers url: "https://www.envanio.com/us-en/noise-control-and-air-filtration/products/product/blower-silencers" date: 2026-09-24 modified: 2026-10-13 --- # Blower Silencers ![](https://www.envanio.com/fileadmin/01_Images/02_Noise_Control_and_Filtration/01_Productrenderings/01_freigestellt/01_SVG/Envanio_Universal_Blower_Silencer_RD.svg "Blower Silencers") ![](https://www.envanio.com/fileadmin/01_Images/02_Noise_Control_and_Filtration/01_Productrenderings/01_freigestellt/01_SVG/Envanio_Universal_Blower_Silencer_RIS-SD.svg "Blower Silencers") ![](https://www.envanio.com/fileadmin/01_Images/02_Noise_Control_and_Filtration/01_Productrenderings/01_freigestellt/01_SVG/Envanio_Universal_Blower_Silencer_UCI-UCD-URD-URB.svg "Blower Silencers") Industrial Silencers ![](https://www.envanio.com/_assets/15aee9713160ee0bd4ef9d7c531927c0/Icons/logo-universal.svg) Blower Silencers ================ Attenuate noise and pressure pulsations generated by your centrifugal, positive displacement, helicoil, and two- or tri-lobe blowers with Envanio Universal’s comprehensive line of blower silencers. Designed for installation on both the inlet and discharge sides of various blower types, our rotary positive displacement blower silencers help creating quieter, more efficient operating environments. To achieve the required sound attenuation for each application, our silencers are available in absorptive (dissipative), multi-chamber (reactive), and combination (reactive and dissipative) designs. [ Request a Consultation ](https://www.envanio.com/us-en/contact-sales-envanio) ![](https://www.envanio.com/fileadmin/04_Icons/SVG/Envanio_ICONS_Effective_Noise_Attenuation.svg "High-Quality Performance")### High-Quality Performance Backed by proven technical expertise your blower inlet and discharge silencer will be sized to meet and perform under the most demanding applications. ![](https://www.envanio.com/fileadmin/04_Icons/SVG/Envanio_ICONS_Compatibility_and_Flexibility.svg "High Compatibility and Flexibility")### High Compatibility and Flexibility The blower silencer line is stocked and available in most series, sizes, pipe connection styles and mounting orientations. ![](https://www.envanio.com/fileadmin/04_Icons/SVG/Envanio_ICONS_Aus_einer_Hand.svg "Trusted Single Source Supplier")### Trusted Single Source Supplier Commercial and manufacturing locations throughout the world ensure fast delivery, low costs, consistent pricing and reduced complexity. [ Series Comparison ](#c616) [ Typical Applications ](#c617) [ Typical Industries ](#c618) [ FAQ ](#c619) [ More Products ](#c620) [ Request a Consultation ](https://www.envanio.com/us-en/contact-sales-envanio) A Comparison of Our Blower Silencer Series -------------------------------------------- As flow increases, velocity through the silencer increases which creates a larger pressure drop and can minimize the attenuation if the silencer is not sized to sufficiently accommodate the increased operating conditions. To help you select the right silencer type and size to meet your requirements, Envanio Universal offers an extensive line of blower silencer models. ![UCI/UCD](https://www.envanio.com/fileadmin/_processed_/6/9/csm_Envanio_Universal_Blower_Silencer_UCI-UCD-URD-URB_557c1a28df.webp "UCI/UCD") ### UCI/UCD Chamber Type Inlet & Discharge Silencer The UCI (Inlet) and UCD (Discharge) Series Silencers are a heavy-duty, all-welded unit offering standard attenuation. They are constructed of carbon steel to provide long service life. Therefore, they are well-suited for pulse control and silencing for most subcritical PLV applications. The single-coat satin light-blue alkyd primer is rated for 325°F. - Standard grade silencing for effective pulse control - Designed for most subcritical PLV applications - Designed for either vertical or horizontal mounting [ Get a free consultation ](https://www.envanio.com/us-en/contact-sales-envanio)
URB/URD

URB/URD

Chamber Type Inlet & Discharge Silencer

The URB and URD Series Inlet & Discharge Silencers are a heavy-duty, all-welded unit offering premium attenuation. They are constructed of carbon steel to provide long service life. That's why they are well-suited for pulse control and silencing for most subcritical PLV applications. The single-coat satin light-blue alkyd primer is rated for 325°F.

  • Premium grade silencing for effective pulse control
  • Designed for most subcritical PLV applications
  • Basic end-in, end-out configuration
Get a free consultation
RIS

RIS

Chamber-Absorptive Type Inlet Silencer

The RIS Series Inlet Silencers are a heavy-duty, all-welded unit offering premium attenuation. They are constructed of carbon steel to provide long service life. That's why they are well-suited for pulse control and silencing for most critical PLV applications. The acoustical packing is suitable up to 325°F.

  • Premium grade silencing for effective pulse control
  • Designed for most critical PLV applications
  • Designed for either vertical or horizontal mounting
Get a free consultation
SD

SD

Chamber-Absorptive Type Discharge Silencer

The SD Series Discharge Silencers are a heavy-duty, all-welded unit offering standard attenuation. They are constructed of carbon steel to provide long service life. That's why they are well-suited for pulse control and silencing for most critical PLV applications. The acoustical packing is suitable up to 325°F.

  • Standard grade silencing for effective pulse control
  • Designed for most critical PLV applications
  • Designed for either vertical or horizontal mounting
Get a free consultation
RD

RD

Chamber-Absorptive Type Discharge Silencer

The RD Series Discharge Silencers are a heavy-duty, all-welded unit offering premium attenuation. They are constructed of carbon steel to provide long service life. That's why they are well-suited for maximum pulse control and silencing for most demanding critical PLV applications. The acoustical packing is suitable up to 325°F.

  • Premium grade silencing for maximum pulse control
  • Designed for most demanding critical PLV applications
  • Designed for either vertical or horizontal mounting
Get a free consultation
SURS

SURS

Chamber Type Multi-Use Silencer

The SURS Series Blower Silencers are a heavy-duty, all-welded steel construction, suitable for either inlet or discharge applications to blowers operating above critical transition speed. Their unique high-performance three-chamber system utilizes a diffuser on the blower side of the silencer with no need for acoustical packing material.

  • Excellent pulse control
  • Designed for most demanding conditions
  • Basic end-in, end-out configuration
Get a free consultation
CB

CB

Compact Blower Silencer

The CB Series Silencers are designed to provide intake or discharge silencing on rotary positive blowers. On average, they are about 1/3 the size of conventional silencers, providing savings in cost and weight. They utilize absorptive internal pack suitable for temperatures up to 325°F, and pressures up to 15 psig.

  • Used when space is at a premium
  • Flexible blower package design optimizes system performance 
  • Installation flexibility reduces downtime, spare parts requirements, and inventory costs
Get a free consultation
CBF/CBFI

CBF/CBFI

Compact Blower Inlet Filter Silencer

The CBF and CBFI Series Silencers combine acoustic capabilities and filtration performance. On average, they are about 1/3 the size and weight of conventional blower silencers. They fit most standard size enclosures and are suitable for inlet applications in confined areas without compromising acoustic or pressure drop performance.

  • Filter and silencer combined in one unit
  • Reduced total system cost and easy installation
  • Reduced overall package noise without further acoustic treatment
Get a free consultation

Typical Applications for Blower Silencers

  • Positive Displacement Blowers
  • Rotary Lobe Blowers
  • Screw Compressors
  • Centrifugal Blowers

FAQ

A blower silencer is recommended whenever blower noise, pressure pulsations, or vibration could negatively affect personnel, equipment, or regulatory compliance. In many industrial applications, silencers are considered standard equipment on the blower inlet, discharge, or both.

Let's Talk

Please contact us directly to schedule a personal consultation or submit your project details using our contact form to receive a complementary, no-obligation quote.

James Mitchell

Director Sales and Business Development

+1-608-630-6338 james.mitchell@envanio.com
Get in Touch
James Mitchell