Rectangular Duct Noise Attenuator

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