ACOUSTIC SILENCER SM25
Acoustic Silencer SM25
OPERATING PRINCIPLE
SM25 silencers are absorption type.
The gas passes through a duct lined with high acoustic efficiency sound absorbing material protected by perforated sheet metal.
DESCRIPTION
The nominal inlet diameter completes the designation of the silencer (P.e. SM25 DN200).
The inlet and outlet pipes are axial, the body is made of steel with a cylindrical shape closed by conical, flat or pumped bottoms, depending on the application.
![Silenciador acústico SM25. Silenciador acustico o atenuador acustico para escape de motor modelo sm15 Silenciador acústico SM25. Silenciador acustico o atenuador acustico para escape de motor modelo sm15](https://silensistem.com/wp-content/uploads/2020/11/ficha-silenciador-atenuador-acustico-escape-motor-15-dba.jpg)
PROTECTION
Silencer treatment by high-temperature finish paint.
The silencer is not provided to resist temperatures and pressures due to 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 or special situations such as: temperatures above 500 ºC, diameters above 800 mm., Special steels, etc …
![Silenciador acustico o atenuador acustico para escape de motor modelo sm15 Silenciador acustico o atenuador acustico para escape de motor modelo sm15](https://silensistem.com/wp-content/uploads/2020/11/ficha-silenciador-atenuador-acustico-escape-motor-15-dba.bmp)
AVERAGE SOUND DIMMING CURVE
Measured under normal operating conditions and once the background noise has been eliminated. (Parasites)
According to ISO 6798 standard.
![Graph of the mean sound attenuation curve for sm25 acoustic silencers Graph of the mean sound attenuation curve for sm25 acoustic silencers](https://silensistem.com/wp-content/uploads/2020/12/acoustic-silencer-sm25.jpg)
ASSEMBLY
- Acoustic Silencer SM25
- The muffler 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 Dibujo de como se realiza la insercion de un silenciador acustico sm15 en una maquina que genera ruido](https://silensistem.com/wp-content/uploads/2020/11/ficha-silenciador-atenuador-acustico-escape-motor-15-dba_2.jpg)
DIMENSIONS
Length tolerance ± 3 mm.
Dimensions in mm. weight in kg.
![Table to choose the sm25 silencer according to its nominal diameter, weight, length, etc ... Table to choose the sm25 silencer according to its nominal diameter, weight, length, etc ...](https://silensistem.com/wp-content/uploads/2020/12/table-of-contents-sm25.jpg)
![Sketch of the sm15 acoustic silencer and its flow direction Sketch of the sm15 acoustic silencer and its flow direction](https://silensistem.com/wp-content/uploads/2020/12/sketch-sm25.jpg)
![Ficha silenciador acústico o atenuador acústico de escape motor 15 dBA Ficha silenciador acústico o atenuador acústico de escape motor 15 dBA](https://silensistem.com/wp-content/uploads/2020/11/ficha-silenciador-atenuador-acustico-escape-motor-15-dba_4-1-rotated.jpg)
DETERMINATION OF THE NOMINAL DIAMETER OF THE SILENCER
![Sm25 acoustic silencer insulation table. Relating power or volumetric flow of the engine and the loss of load of the acoustic silencer, marking the area of use of this model Sm25 acoustic silencer insulation table. Relating power or volumetric flow of the engine and the loss of load of the acoustic silencer, marking the area of use of this model](https://silensistem.com/wp-content/uploads/2020/12/sm25-acoustic-silencer-graphic.jpg)