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 Circular Sound Attenuator  A to Z Products
 Introduction
 
COSMOS Sound Attenuator's were developed to various requirements from the consulting engineers, owners & contractors. They provide the most economical choice for solving the wide range of noise control issues encountered in the HVAC field.
 
  Construction
 
All attenuator ( casings & Splitters ) are constructed of galvanized sheet metal gauge 20 minimum. Casing are formed with duct sealant. Other Casing materials are available upon request. The splitters contains acoustic infill has a glass tissue facing concealed behind aluminium dimond mesh sheet, the splitters have conical end at the air flow direction to minimize air pressure loss and regenerated noise. Sound Attenuators are available in Round, Square, Rectangular they can be fabricated as straight, reduced and elbowed duct.
 
  Features & Benefits
 
Minimum pressure drop with Maximum insertion loss.
Large radius inlets & tapered tails to minimize system effects.
Available in any cross-sectional size eliminating the need for transitions.
Fabricated in components to make the overall silencer bank size for easy handling and installation.
Comes standard with flanges.
Used in applications ranging from low velocity duct systems to high velocity duct systems.
 
Model RSA-50
 
The RSA-50 is an industrially fabricated product designed for excellent sound attenuationand ease of installation.

The standard RSA-50 is made of galvanised sheet steel with connection spigots.

The sound attenuating material consists of 50 mm thick long rock wool that offers excellent sound attenuation, especially in the mid-frequencies.

The sound attenuating material is also covered with perforated sheet steel.
 
 
Model RSA-50
 
The RSA-100 is an industrially fabricated product designed for excellent sound attenuation and ease of installation.

The standard RSA-100 is made of galvanised sheet steel with connection spigots.

The sound attenuating material consists of 100 mm thick long rock wool that offers excellent sound attenuation, especially in the mid-frequencies.

The sound attenuating material is also covered with perforated sheet steel.
 
 
Model RSA-P
 
 
The RSA-P is an industrially fabricated product designed for excellent sound attenuation in large ducts with circular connections.

The RSA-P is equipped with center body (pod) for optimal acoustic and pressure-drop characteristics.

The sound attenuating material consists of 100 mm thick long rock wool that offers excellent sound attenuation, especially in the mid-frequencies.

The sound attenuating material is also covered with perforated sheet steel.

The standard RSA-P is made of galvanised sheet steel with connection spigots.
 
 
 
 
 
 Features
 
19" rack mountable or table top version Front and rear screw less
Single depth extrusions with decorative grooves Optimised usable height for 1u and 2u subracks
Softline with minmum screws    
 
 Construction
 
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Legs - plastic
 
 Compliance
 
IEC 297 and DIN41494
IEEE 1101.10 / 11
IEC 297 and DIN41494
IEEE 1101.10 / 11
 Products
 
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Legs - plastic
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
Card racks with GFN guides for PCBS - EURO / VME / CPCI
Legs - plastic
Aluminium special alloy extrusions and sheets
Screw type construction
Aluminium or CRCA base plate for components
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