Product Groups
Circular Silencers
Dynasonics circular silencers are engineered to provide effective, predictable noise reduction in round duct and fan systems where airflow performance and acoustic control must work together. Designed to meet project-specific acoustic and aerodynamic requirements, these silencers offer a flexible, high-performance solution for industrial, commercial, and mechanical applications.
From HVAC systems to power generation and manufacturing environments, Dynasonics circular silencers deliver reliable sound attenuation without compromising system efficiency.
Engineered for Acoustic and Aerodynamic Performance
Dynasonics circular silencers are precision-designed to reduce airborne noise generated by fans, blowers, and airflow turbulence within circular duct systems. Each silencer balances noise attenuation with low pressure drop, supporting efficient mechanical operation.
Key performance benefits include:
- Broad-spectrum sound attenuation across multiple frequencies
- Optimized internal geometry to maintain airflow
- Reduced turbulence and aerodynamic losses
- Proven, repeatable performance supported by laboratory testing
Verified Performance Through Acoustic Testing
All Dynasonics circular silencer models are backed by testing conducted in an NVLAP-accredited acoustic testing laboratory, ensuring dependable and verified sound attenuation data. This testing provides confidence that specified performance aligns with real-world results.
Material and Construction Options
To support a wide range of environmental and operational conditions, Dynasonics offers circular silencers in multiple material configurations:
- G90 Galvanized Steel – Durable and cost-effective for standard mechanical applications
- A60 Galvanized Steel – Suitable for lighter-duty installations
- 304-2B Stainless Steel – Corrosion-resistant for industrial environments
- 316L-2B Stainless Steel – Enhanced corrosion resistance for harsh or coastal conditions
These construction options ensure long-term durability in both indoor and outdoor installations.
Dynasonics provides comprehensive resources to support product selection and specification:
Circular Silencer Brochure
Use our Dynasonics Silencer Selection Tool (SST) to enter specific configuration details and view product models and data sheets.
Pricing Silencer Selection Tool
Circular Silencer Applications
Dynasonics circular silencers are commonly used in:
- HVAC duct systems
- Fan inlet and discharge connections
- Power generation facilities
- Manufacturing and industrial processes
- Mechanical and equipment rooms
- Commercial and institutional buildings
Their compact, round design makes them especially well-suited for systems utilizing circular ductwork or fan connections.
Reliable Circular Silencer Solutions
When consistent noise reduction, airflow efficiency, and verified performance matter, Dynasonics circular silencers deliver engineered solutions backed by testing, data, and experience.
Contact us to learn more or to request specifications for your project.
Frequently Asked Questions (FAQ)
What is a circular silencer?
A circular silencer is a noise-control device designed for round duct or fan connections. It reduces airborne noise generated by airflow, fans, and blowers while maintaining efficient system performance.
Where are circular silencers typically used?
Circular silencers are commonly used in HVAC duct systems, fan inlet and discharge connections, power generation facilities, manufacturing environments, and commercial or institutional buildings.
How do circular silencers differ from rectangular silencers?
Circular silencers are designed specifically for round ductwork and fan connections, while rectangular silencers are used in rectangular duct systems. Each is engineered to optimize acoustic performance and airflow for its respective duct geometry.
Do circular silencers affect airflow or pressure drop?
Dynasonics circular silencers are engineered to balance sound attenuation with low pressure drop. Internal geometry is optimized to minimize turbulence while reducing noise.
Are circular silencers suitable for outdoor installations?
Yes. Dynasonics circular silencers are available in materials such as galvanized and stainless steel, making them suitable for both indoor and outdoor environments, including harsh or corrosive conditions.
How is silencer performance verified?
All Dynasonics circular silencers are tested in an NVLAP-accredited acoustic testing laboratory, providing verified data for sound attenuation and performance.
How do I select the right circular silencer for my application?
Selection depends on airflow requirements, noise levels, space constraints, and environmental conditions. Dynasonics offers a Silencer Selection Tool (SST) and engineering support to help identify the best solution for each project.