Splitter Silencer, Sound Attenuator - Circular, Rectangular

Specifications

Construction: galvanized sheet steel, stainless steel, aluminium
Absorption material rock-wool, non-flammable, according to Class A2, to DIN 4102, Part 1
Width upto 200 ~ 2400 mm
Height: 300 ~ 1800 mm
Length: 500 ~ 1500 mm
Operating temperature: Up to 100 °C, variant airflow up to 300 °C for 8 h max.
Splitter standard thickness: 100, 200, 300 mm
Insertion Loss Up to 50 dB

Salient Features

Aerodynamic design to ensure maximum insertion loss and minimal pressure drop.
Performance Tested as per ISO 7235
High Temperature Test as per EN 12101
Vertical / horizontal splitter orientation
Leakage class C and pressure class 2 according to EN 15727
Fire rating class A1

A splitter sound attenuator, also known as a duct splitter / duct silencer or sound attenuator or silencer, is a specialized device used in HVAC (Heating, Ventilation, and Air Conditioning) systems to reduce the transmission of sound or noise through air ducts. It is designed to maintain the flow of air while mitigating the propagation of unwanted noise from one area to another.

In case of round attenuator, outer casing is made of galvanised sheet steel, filled with sound absorbing material. Inner duct of the attenuator is made of perforated galvanised sheet steel. Sound Attenuator requires regular cleaning with nylon brush for optimal performance. The frequency of cleaning should be the same as that specified for the entire ventilation system.

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Sound Attenuator Applications