Circular silencer f630, 1000mm.

Circular silencer f630, 1000mm.

BGN569.23
krgl-shumozaglushitel-f630-1000m
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BGN569.23
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BGN474.36 tax excl.

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Product Information

Silencers for round ventilation systems are components designed to reduce noise generated by air passing through ducts. They effectively minimize sounds caused by high air velocity and are used in systems requiring noise reduction, such as ventilation and air conditioning installations in commercial and residential buildings.

Construction and Materials:

Silencers are made of a galvanized steel housing, which ensures corrosion resistance, and internal insulation of 50 mm mineral wool. Mineral wool is non-combustible and provides excellent soundproofing properties, effectively reducing noise levels caused by airflow in the ducts.

Sizes and Models:

Silencers are available in standard duct diameters and lengths of 500 mm and 1000 mm, making them suitable for a wide range of ventilation installations. For diameters of Ø160 and larger, they can be manufactured with a double-turned edge for easier connection, with the option of adding a silicone gasket for better sealing.

Notes:

  • Not recommended for use in kitchen exhaust ventilation systems, as greasy vapors can accumulate on the mineral wool, leading to a loss of silencer efficiency.

  • The silencer does not eliminate noise from the fan motor operation but effectively reduces sounds caused by high air velocity in the ventilation system.
PropertyDetails
Product NameSilencer for Round Ventilation Systems
MaterialGalvanized steel, mineral wool
Connection DiameterØ630
Outer Diameter of HousingØ730
Insulation Thickness50 mm (internal insulation)
Length1000 mm
Production OptionsDouble-turned edge / Silicone gasket
ApplicationsVentilation and air conditioning systems

Sound Absorption Characteristics of the Silencer:

The sound absorption of the silencer varies depending on the noise frequency. This is important because different noise sources—active or passive (e.g., fans, ducts, etc.)—generate noise at different frequencies, and not all silencers are effective across all frequencies. To determine whether a silencer will be effective, the following factors should be considered:

  • Each silencer has specifications regarding noise absorption (in dB) at different frequencies. These are usually presented as a graph or table showing how its effectiveness varies with noise frequency.

  • The most common noise in ventilation and air conditioning systems occurs at lower frequencies (e.g., from 20 Hz to 200 Hz).

  • The size of the ducts, air velocity, and existing components (such as fans, dampers, etc.) also affect the silencer's efficiency. For example, if the duct is very narrow, the silencer may have a reduced effect as there is limited space for sound absorption.
Diameter
F630
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