Lindab Circular Straight Low Built Silencer Owner’s Manual
- July 20, 2024
- Lindab
Table of Contents
Lindab Circular Straight Low-Built Silencer
Product Information
Specifications
- Description: Straight sound attenuator with circular connection and low installation height.
- Applications: Particularly suitable for residential ventilation, installation above suspended ceilings, or where space is limited.
- Materials: Galvanized steel casing, steel sheet inner tube, mineral wool acoustic media.
- Tightness Class: D
- Custom Solutions: Contact Lindab sales for custom requirements.
Dimensions and Sound Data
| Nominal Diameter (mm) | Length (mm) | Insertion Loss (dB) | Centre Frequency (Hz) |
|---|
Technical Data
Tested by ISO 7235 for insertion loss, pressure drop, and self-generated noise.
Order Code
- Product: LRCNA
- Length (l) in mm (Inom): 500 or 1000 mm
- Example: LRCNA – 125 – 1000
- DUCT-MC Identification number: 17.11.002
Note
Max. attenuation specified is 50 dB.
For Custom Solutions
To select the appropriate silencer and optimize connection size and length for the best performance, use our online tool LindQST. Visit LindQST on our website.
Disclaimer
Lindab reserves the right to make changes without prior notice.
Product Usage Instructions
Installation
- Choose the appropriate silencer based on your ventilation needs.
- Ensure the circular connection fits your duct system.
- Install the silencer above suspended ceilings or in limited spaces securely.
- Make sure to maintain a tight seal to achieve the specified tightness class.
Maintenance
Regularly inspect the silencer for any blockages or damage. Clean the inner tube if needed without affecting insertion loss. Contact a professional if extensive cleaning or repairs are necessary.
Noise Reduction
To achieve optimal noise reduction, ensure proper installation and connection of the silencer. Follow manufacturer guidelines for best results.
Description
Straight sound attenuator with circular connection and low installation
height.
LRCNA dimensions make it particularly suitable for residential ventilation,
installation above suspended ceilings, or where space is otherwise limited.
The casing is made from galvanized steel and an inner tube made of steel
sheet. The inner tube is designed with small openings to withstand mechanical
cleaning without interfering with insertion loss. For safety and durability,
mineral wool is used as the acoustic media. A nonwoven cloth is inserted
between the inner tube and the attenuation material, to prevent fibers from
the insulation from getting into the duct system.
Fulfils tightness class D.
Technical data for insertion loss, pressure drop, and self-generated noise is
based on tests conducted in accordance with ISO 7235.
For custom solutions, please contact Lindab sales.
Order code
Dimensions and sound data
Note! Max. attenuation specified is 50 dB.
Technical data
To select the appropriate silencer and optimize connection size and length for the best performance you can use our online tool lindQST. Visit LindQST
Frequently Asked Questions (FAQ)
Q: What is the maximum attenuation provided by the LRCNA silencer?
A: The maximum attenuation specified is 50 dB.
Q: Can the LRCNA silencer be customized for specific requirements?
A: Yes, for custom solutions, please contact Lindab sales for personalized assistance.
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