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
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.
The infill is internally stabilized with perforated plate or glass fiber cloth. Easy to keep clean.
-Moisture and grease proof
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.
Full performance figures giving static and dynamic insertion losses, self-generated noise levels and static pressure drop are available on request.
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.
Silencers are manufactured in:
-Painted carbon steel
7 Way produces a variety of rigid oil mist filter housings easily to fit for every installation. To be located direct on top of oil tank or stand-alone aggregates for connection via external duct system.
Air flows: 100 m3/h to 6000 m3/h
Efficiency: 100% @ ≥ 1 µm.
*Differential pressure sensing transmitters.
*Frequency converters for optimizing of flow and power consumption.
*Painted Carbon steel