Duct silencer | for ventilation | air ventilation systems | D125 | 600mm | silver | galvanized steel | 125DUS60

Technical Specifications

Product type: duct silencer / noise attenuator
Application: ventilation and air handling systems
Duct type: round
Duct diameter: D125
Outer diameter: 123 mm
Length: 600 mm
Height: 225 mm
Width: 225 mm
Material: galvanized steel
Sound-absorbing material: fire-resistant special fiber
Color: silver
Installation: with connection flanges
Operating environment: clean air, non-explosive environment
Maximum air temperature: up to +80°C
Suitable for: air supply and exhaust systems

Functions

Effective ventilation noise reduction:
The silencer absorbs aerodynamic noise and vibration sounds generated by fans and airflow inside air ducts.

Airflow turbulence suppression:
The internal structure reduces noise caused by air vortices and improves overall acoustic comfort of the system.

Fire-resistant sound-absorbing material:
A special resistant fiber efficiently absorbs sound and maintains its properties during long-term operation.

Convenient installation:
Integrated connection flanges allow quick and airtight installation into standard round air ducts.

Durable galvanized steel housing:
Protects the construction against corrosion and mechanical damage while ensuring long service life.

Applications

For residential users:
A practical solution for home ventilation and heat recovery systems where there is a need to reduce fan humming, airflow whistling, or duct noise. Especially suitable for technical rooms, boiler rooms, or systems where the fan is installed close to living areas.

For electricians / installers:
Simplifies professional ventilation system installation and helps ensure lower final noise levels in the facility. Flange connection speeds up installation work.

For engineers / designers:
Used in the design of ventilation systems for administrative, commercial, industrial, and public buildings where acoustic comfort and compliance with noise regulations are important.

For industrial and HVAC specialists:
Suitable for industrial air supply and exhaust systems, ventilation chambers, production facilities, shopping centers, and server rooms.

Advantages

Efficiently reduces ventilation system noise
Suppresses airflow turbulence inside the duct
Durable galvanized steel housing
Fire-resistant sound-absorbing material
Convenient flange installation
Improves indoor acoustic comfort
Long-lasting construction

Disadvantages

Not suitable for aggressive chemical or highly humid environments
Does not suppress mechanical vibration if the fan has no anti-vibration elements

Frequently Asked Questions (FAQ)

1. Where is the best place to install the duct silencer?

The most effective installation position is directly after the fan to achieve maximum reduction of airflow and fan-generated noise.

2. Does this silencer reduce airflow?

A properly selected silencer has minimal impact on airflow while significantly reducing system noise.

3. Is it suitable for heat recovery systems?

Yes, if the system uses round air ducts and requires lower noise levels.

4. Can it be used outdoors?

The silencer is made of galvanized steel, but it is recommended to use it in protected areas or provide additional protection against direct weather exposure.