ACOUSTIC SILENCER SM30

Acoustic Silencer SM30

OPERATING PRINCIPLE

Small 30 silencers are of the mixed type: Reactive-Absorbent. The gas enters an expansion chamber upholstered in sound absorbing material and protected with perforated sheet metal, then passes through an absorption silencer.

DESCRIPTION

The nominal inlet diameter completes the designation of the silencer (e.g. SMaII 30 DN250). The inlet mouth can be radial or axial and axial outlet. The body is made of steel with a cylindrical shape closed by conical, flat or pumped bottoms, depending on the application.

ficha silenciador atenuador acustico escape motor 15 dba - Acoustic Silencer SM30

PROTECTION

The silencer is treated with high temperature finish paint. The silencer is not intended to withstand temperatures and pressures resulting from fuel explosions.

ACCESSORIES

Silencers can be provided with the following optional accessories:

 

  • Flanges and counter flanges.
  • Set of gaskets and screws.
  • Supports.
  • Spark extinction chamber.

 

For special equipment: temperature greater than 500 ºC, diameters greater than 800 mm., Special steels, etc…

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Silenciador acustico o atenuador acustico para escape de motor modelo sm15

AVERAGE SOUND DIMMING CURVE

Measured under normal operating conditions and once the parasitic noises have been eliminated.

 

According to ISO 6798 standard.

Graph of the mean sound attenuation curve for sm30 acoustic silencers

ASSEMBLY

Acoustic Silencer SM30

 

  • The silencer must be mounted on the exhaust pipe.
  • The direction of flow must be respected.
  • Expansion compensator.

 

The silencer fixing system must allow its free expansion.

Dibujo de como se realiza la insercion de un silenciador acustico sm15 en una maquina que genera ruido

DIMENSIONS

Length tolerance ± 3 mm.
Dimensions in mm. weight in kg.

Table to choose the sm30 silencer according to its nominal diameter, weight, length, etc.
Sketch of the sm15 acoustic silencer and its flow direction
Ficha silenciador acústico o atenuador acústico de escape motor 15 dBA

DETERMINING THE NOMINAL DIAMETER OF THE SILENCER

Sm30 acoustic silencer insulation table. Power or volumetric flow of the engine and the pressure drop of the acoustic silencer marking the area of use of this model

Acoustic Silencer SM30

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