Introduction      
         
 

Range
To complement the 7 Way range of air conditioning, air movement and ventilation products we supply a wide range of noise control products including:
-Duct mounted silencers for rectangular and circular ducts
-Attenuated plenum boxes
-Acoustic  vanes for wall openings
-Acoustic enclosures

Design
Splitter type attenuators can be supplied in straight, bend or cross talk arrangements for rectangular ductwork. They are fitted with splitters alternative bars giving maximum noise reduction with a minimum resistance to airflow. Circular attenuators are available with or without a central pod.

Splitter type attenuators can be supplied in straight, bend or cross talk arrangements for rectangular ductwork. They are fitted with splitters alternative bars giving maximum noise reduction with a minimum resistance to airflow. Circular attenuators are available with or without a central pod.

  Inside
The infill is internally stabilized with perforated plate or glass fiber cloth. Easy to keep clean.
-Inorganic
-Non hygroscopic
-Flame proof
-Moisture and grease proof


Silencer in galvanized steel - perforated interior

 

Connections
Duct mounted attenuators are complete with casing and different type of flanges depending on your specifications, may be drilled for mounting to existing ductwork whereas splitters can be provided for mounting within customers ductwork.

 

Performance
Full performance figures giving static and dynamic insertion losses, self-generated noise levels and static pressure drop are available on request.

Vane silencer
For externally mounted plant requiring a screen or enclosure, acoustic vanes have been designed to combine the functions of a weather protection  and a silencer in one compact unit.

Materials
Silencers are manufactured in:
-Painted carbon steel
-Galvanized steel
-Stainless steel
-Aluminum

Methods
-Welded
-Spot welded
-Bended/falsed

Silencers with flange connections

 
 

 

 

 

7 Way Solutions  |  BorĂ¥s - Sweden  |  info@7way.se