LRCNA Rectangular sound attenuator with circular connections - Low built

LRCNA is a straight rectangular sound attenuator with circular connections. It is designed for low installation height and is available in standard dimensions Ø 100–400 mm.

The casing is made from galvanized steel with an inner tube of steel sheet, featuring small openings for mechanical cleaning. The attenuation material is mineral wool, with a microperforated tissue between the inner tube and mineral wool to prevent fibres from spreading into the duct system.

• Low building height
• Fulfills tightness class D
• Low pressure drop
• Cleanable with rotating nylon brush
• Suitable for installations above suspended ceilings or where space is limited

Technical data is conducted in accordance with ISO 7235.

For special requirements, contact Lindab sales.