Sound Attenuator – Circular – ACL
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- Casing: High quality galvanized steel sheet of 0.9mm thickness (standard); up to 1.2mm for bigger sizes.
- Splitters/Pod: Centre splitter (Pod) construction using high quality perforated galvanized steel sheet of 0.7mm thickness.
- Acoustic Media: Inorganic ,fire resistant , vermin and moisture proof sound absorbent rock wool of 50kg/m3 density.
- Liner: Single faced to prevent the media from entering into the air stream.
- Flange: Slip connections on both ends.
- Circular silencer construction provides maximum acoustical performance , while minimizing system pressure drop even at high velocities . Desired aerodynamic performance is achieved by avoiding the need for square to round reducers that will increase the pressure drop.
- Sturdy construction and high noise absorbing capacity to obtain required insertion loss without compromising performance . Manufactured to ensure long and maintenance free service.
- Centre splitter (Pod) are radiused at both ends to minimize self generated noise and pressure loss.
- Full width splitter in the middle and half width side splitters at the circumference .
- Casing construction with lock formed seams meet SMACNA standards thus providing excellent strength and rigidity . Thoroughly sealed to prevent air leakage.
- Slip connection on both ends in compliance with DW144 standards.
- Acoustic infill media is of superior quality non combustible & have fungi resistant characteristics meeting the requirements of EN ISO 1182 and ASTM C665 respectively. It has excellent noise reduction coefficient characteristics with an additional qualification of being biologically inert.
- Options Available Upon Request (Non Standard)
- Flange : M.S angle frame
- Flange width : 30mm or 40mm
- Media : Fiber glass woven glass fabric as line
- Air gap: From 50mm – 250mm to suit product requirement
- Casing Material: Stainless steel or Aluminium.
- Baffle thickness : 100mm or 300 mm
Model: ACL
Product Description: Circular Silencer
Installation Guide:- Do not place the silencer immediately after the noise source like air handler or blower in order to allow uniform flow profile to develop. Leave at least 2-5 duct diameters in the upstream and downstream of the silencer for better silencer efficiency.
- Do not expose the silencer to dirt or excess humidity while installation or during storage.
- The HVAC system should be designed meticulously for proper dehumidification and air- filtration to prevent microbial growth within the silencer and the duct system.
- It is recommended to install the silencer after the volume control damper to prevent regenerated noise.
General Features
Brand Name
Air Master
Model Part Number
ACL
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