Rectangular Duct Noise Attenuator
Impedance composite duct silencer is a custom industrial noise reduction device adopting dual resistive and reactive sound elimination principles. Built with multi-chamber micro-perforated acoustic structure, this galvanized/stainless steel silencer maintains low airflow resistance while achieving outstanding noise attenuation performance. Featuring seamless integrated forming for tight sealing, fire and smoke resistance, plus CNC high-precision processing for stable dimensions, it supports flexible customization of air inlet/outlet direction, size and acoustic configurations. Easy to install and highly corrosion-resistant, it serves as an ideal noise control solution for commercial HVAC, factory ventilation, underground parking, hospital and stadium air duct systems with full bespoke manufacturing service.
Product Description
This custom impedance composite silencer combines resistive and reactive noise reduction principles to achieve high-efficiency sound attenuation. The smooth internal structure minimizes airflow resistance while improving acoustic performance. Manufactured with precision CNC processing and high-quality materials, it offers excellent sealing, fire resistance, and durability, suitable for hospitals, industrial ventilation, and commercial HVAC systems.
Key Specifications
- Material: Galvanized Steel / Stainless Steel (Corrosion-Resistant Thick Plate)
- Type: Rectangular Duct Silencer / Static Pressure Box Silencer
- Model: Custom Industrial Silencer Unit
- Customization: OEM / ODM Supported
- Structure: Rectangular box-type silencer
- Airflow Design: Straight or angled inlet/outlet options
- Surface Finish: Galvanized steel or stainless steel
- Internal Design: Multi-chamber sound attenuation structure Micro-perforated acoustic panels Optional sound-absorbing filling materials
Structure & Advantages
- Structural Features
- Smooth Internal Surface Inner wall adopts micro-perforated plate design, ensuring smooth airflow, reducing dust and grease accumulation, and minimizing airflow resistance and noise.
- Excellent Sealing Performance Integrated forming process with uniform and tight seams reduces airflow vibration and noise while providing smoke isolation and fire resistance.
- High-Quality Manufacturing Smooth surface without burrs, precise cutting edges, and easy installation. CNC cutting technology ensures high dimensional accuracy and customizable thickness.
- Corrosion & Rust Resistance Made of galvanized or stainless steel for strong durability and long service life.
- Performance Advantages
- High Noise Attenuation Efficiency Based on impedance composite silencing principles, delivering significant noise reduction.
- Robust & Stable Structure High strength and rigidity, suitable for various industrial ventilation systems.
- Flexible Customization Wide range of specifications available to meet different size, material, and working condition requirements.
- Sealing & Fire Protection Excellent airtightness combined with smoke blocking and fire-resistant performance for enhanced safety.
Applications
- Primary Applications
- Hospitals
- Industrial noise control projects
- Extended Applications
- Factories & workshops
- Office buildings
- Shopping malls & supermarkets
- Warehouses
- Underground parking garages
- Stadiums
- Hotels
- Agricultural ventilation systems
Important Notes
- Custom-made product.
- Need confirm dimensions, material, air inlet/outlet direction,airflow requirementsand acoustic performance requirements
