125mm Round Duct Attenuator for Ventilation – 900mm Long Noise Silencer 5"

Blauberg Duct Silencer SD-125-900 – Superior Noise Reduction for Efficient Ventilation

Upgrade your ventilation system with the Blauberg SD-125-900 Duct Silencer, specifically designed for enhanced noise control in residential, office, and small commercial spaces. With a 125mm (5") diameter and 900mm length, this silencer is engineered to provide superior noise reduction while maintaining smooth airflow, offering an energy-efficient solution for long-term noise control.

Key Features & Benefits of the SD-125-900

• Extended Length for Maximum Noise Reduction: The SD-125-900’s 900mm length offers greater noise absorption, making it ideal for environments requiring superior soundproofing.
• High-Performance Sound Insulation: With a high-density mineral wool layer, this silencer reduces noise by up to 22dB at 500Hz and 43dB at 1000Hz, ensuring a quieter atmosphere.
• Durable Construction: Built from robust galvanised steel and filled with fire-resistant mineral wool, the SD-125-900 meets safety standards while delivering long-lasting performance.
• Energy Efficiency: The advanced noise attenuation design ensures quiet operation without sacrificing airflow, making it a smart addition to your HVAC system.

Optimized Noise Control for Versatile Applications

The SD-125-900 is perfect for HVAC systems that require maximum noise reduction. Its perforated inner core and 50mm thick acoustic insulation guarantee superior sound absorption, making it ideal for both residential and small commercial spaces.

Easy and Flexible Installation

The SD-125-900 can be installed at any point in your ventilation ductwork. For the best performance, install it downstream of an air handling unit (AHU) or extractor fan. To further improve noise reduction, consider adding a second silencer upstream.

Reduce Cross Talk and Improve Privacy

The SD-125-900 effectively minimises cross talk, or sound transmission through shared ducts, which is particularly beneficial in:

• Offices: Maintain privacy between meeting rooms or workstations by reducing noise transmission.
• Residential Spaces: Stop noise transfer between rooms or apartments, ensuring a more peaceful environment.

Ideal for Residential, Office, and Small Commercial Spaces

• Homes: Create a quieter living space by reducing HVAC noise in bedrooms, living rooms, and home offices.
• Offices: Improve workplace productivity and concentration by reducing ventilation noise.
• Small Commercial Spaces: Provide a more comfortable environment for customers and staff by controlling HVAC noise in retail shops, cafés, and other small businesses.

Additional Benefits

• Air-Tight Sealing: Rubber-sealed connections prevent air leakage, maintaining system efficiency and reducing energy loss.
• Compatible with Standard Ducts: The SD-125-900 easily integrates with standard 125mm duct sizes, ensuring simple installation in both new and existing HVAC systems.

Achieve Quiet, Efficient Ventilation with the SD-125-900

Choose the Blauberg SD-125-900 Duct Silencer for superior noise reduction, improved airflow, and enhanced comfort. Perfect for residential, office, and small commercial environments, this durable silencer provides a long-lasting, energy-efficient solution to HVAC noise control.