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Silencers|Mufflers for Exhaust Systems

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Silencer Types|Principles


AXCES has a wide range of silencers that covers all applications and engine sizes. These silencers are divided in series depending on the application, damping technique and the desired damping levels.


Absorption Type

 

The noise is absorbed by specific acoustical fibre inside the silencer. The Absorption Type silencer is most effective in the middle and high frequency range.

 

Reflection Type


The noise is reduced by creating a gas flow through separate chambers in the silencer. The Reflection Type silencer is most effective in lower and middle frequency range.

 

Reflection|Absorption Type


The Reflection | Absorption Type silencers are based on a combination of absorption and reflection damping techniques in order to reduce the noise in the complete frequency range.


 

Silencer Types With Integrated Spark Arrestor


Axces silencers can be equipped with an internal spark arrestor. Axces spark arrestors are DNV and RMRS type approved.


 

Spark Arrestor with damping


Axces has a wide range of Spark Arrestors with Damping which can be mounted in the exhaust gas system. Axces spark arrestors are DNV and RMRS type approved.

 

Spark Arrestor



Axces has a wide range of separate Spark Arrestors which can be mounted in the exhaust gas system. Axces spark arrestors are DNV and RMRS type approved.




Silencer and Spark Arrestor Types

Axces Silencer

Pipe

Diameter

Demping

dB(A)

Spark

Arrestor

Demping

Type

Frequency

Application

ABS 1.5" - 20" -25 No Absorptive Mid-higher Main Silencer
ABS-IS 1.5" - 20" -25 Yes Absorptive Mid-higher Main Silencer
REAB 35 1.5" - 20" -35 No Reactive/Absorptive All ranges Main Silencer
REAB 35-IS 1.5" - 20" -35 Yes Reactive/Absorptive All ranges Main Silencer
REAB 40 2" - 20" -40 No Reactive/Absorptive All ranges Main Silencer
REAB 40-IS 2" - 20" -40 Yes Reactive/Absorptive All ranges Main Silencer
REAB 45 4" - 20" -45 No Reactive/Absorptive All ranges Main Silencer
REAB 45-IS 3" - 20" -45 Yes Reactive/Absorptive All ranges Main Silencer
REF 25 1.5" - 20" -20 No Reactive Lower Pre-silencer for extra low freq.
REF 45 1.5" - 20" -30 No Reactive Lower Pre-silencer for extra low freq.
CP 18 1.5" - 20" -18 Yes Reactive Lower SA with damping level
CP 24 2" - 20" -24 Yes Reactive Lower SA with damping level
CP 32 3" - 20" -32 Yes Reactive Lower SA with damping level
SA Spark Arrestor 1.5" - 20" - Yes None None Spark arrestor (SA)

Pipe Diameter

The silencer size is important as well as the pipe diameter of the exhaust system. We will calculate the optimal diameter and silencer for your engine.

A rough indication is given in this graph

Engine Power

(kW)

Exhaust Dimension

(inch)

0 kW - 35 kW 1.5
35 kW - 45 kW 2
45kW - 60 kW 2.5
60 kW - 100 kW 3
100 kW - 130 kW 4
130 kW - 200 kW 5
200 kW - 325 kW 6
325 kW - 475 kW 8
475 kW - 650 kW 10
650 kW - 850 kW 12
850 kW - 1.250 kW 14
1.250 kW - 1.500 kW 16
1.500 kW - 1750 kW 18
1.750 kW - 2.000 kW 20
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Spark Arrestors with and without Damping

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Spark Arrestor- Standard type SA  according EN 1834-1

Principal The Spark Arrestor type SA has its function to prevent materials usually sparks and other flameable carbon particles leaving the exhaust system.
Function The operation of the Spark Arrestors is based on physical centrifugal forces. Gases are forced creating a rotary movements by way of a fixed number of angeled positioned blades. As a result the heavy carbon particles are smoothly collected in the designed soot box


  • Maintenance For correct operation of the spark arrestor, it is important to remove the cap at regular intervals, so catched particles can be removed
  • Spark Arrestor The Spark Arrestor type SA can be installed in exhaust systems where sparks, flamable carbon particles, or other parts have to be separated
  • Mounting The Spark Arrestor can be installed both horizontal and vertical
  • Exhaust Gas Speed Advised Exhaust Gas Speed between 20-50 m/s 
  • Material Spark Arrestors type AS are produced out of Steel 37-2 (S235JRG2)
  • Temperature Maximum allowable temperature is 600 ºC 
  • Custom Made Spark Arrestors are also manufactured based on specific dimensions or client’s requirements
  • Webshop You can fined the Spark Arrestors (Type SA) in our Exhaust system shop

Spark Arrestors With Damping - Types CP18, CP24 and CP32

Damping Noise Levels

Type CP18: +/- 18 dB(A)

Type CP24: +/- 24 dB(A)

Type CP32: +/- 32 dB(A)

 


  • Damping Basics of the silencers type CP (CP1824 and 32) are according the reflection principal
  • Spark Arrestor The Spark Arrestors type CP can be installed in exhaust systems where sparks, flamable carbon particles, or other parts have to be separated
  • Mounting The Spark Arrestors type CP can be installed both horizontal and vertical
  • Exhaust Gas Speed Advised Exhaust Gas Speed between 20-50 m/s 
  • Material Spark Arrestors type CP are produced out of Steel 37-2 (S235JRG2)
  • Temperature Maximum allowable temperature is 600 ºC 
  • Custom Made Spark Arrestors are also manufactured based on specific dimensions or client’s requirements
  • Webshop You can fined the Spark Arrestors (Types CP18, CP24 and CP32) in our Exhaust system shop


Noise Reduction CP types Spark arrestors:


 

Spark arrestors - Type approvals

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Compensators - Bellows for Exhaust Systems

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Compensators - Categories - Webshop / Catalog Links

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Stainless Steel - Compensator Types - Webshop / Catalog Links (more info)

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More Info: Download The Compensators / Bellows Catalogue (.pdf document) - all types


More Downloads: Go to the Download section on axces.com


 

 

Flanges and Gaskets

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Flanges and Gaskets - Categories - Webshop|Catalog Links

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Flanges and Gaskets Grouped by Hole pattern (Type|Standard)


Flanges

Flanges

Flanges

Flanges

Gaskets

Gaskets

Gaskets

Gaskets

Flanges

Flanges

Flanges

Gaskets

Gaskets

Gaskets

Gaskets

Gaskets

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Flanges

  • Material: All Flanges are produced out of Steel S235JRG2
  • Temperature: For all Flanges the maximum allowable temperature is 600 ºC

Gaskets

  • Material: All Gaskets are available in Graphite and Multiblau
  • Thickness: All Gaskets are available in 2 mm and 3 mm thickness


More Info: Download The Flanges Catalogue (.pdf document) - all types



Flanges Downloads: Go to the Flanges Download section on axces.com


More Downloads: Go to the Download section on axces.com


 

 

NOx Reduction catalyst and Integrated Silencer

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Custom made Exhaust Silencer - NOx Reduction catalyst and Integrated Silencer 

Engineering turns theory into practice. With a strong expertis both in acoustics and physics .AXCES specializes in custom engineering, specifically in the fields of shipping, engine power, energy systems and automotive.


When it comes to fully integrated exhaust gas systems for combustion engines, AXCES covers every aspect that matters.


AXCES is a single partner providing clients with everything they need, from the smallest accessory to fully customized solutions. Truly a one stop shop in industrial exhaust systems.

 

Integrated Silencer - SCR Reactor

Moving forward towards 2016 and in-line with current EPA and IMO standards. regulating the release of harmful NOx compounds from exhaust systems.


The integrated SCR/silencer reactor is a novel solution making AXCES a market leader in this field. The new IDE - NOx reactor can be swapped with the existing noise reduction elements.


This upgrade of reactor leads to a reduction in the release of toxic NOx compounds through selective catalytic reduction, at the same time operates as a exhaust silencer.

 

 

Exhaust Systems - Gallery

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Products - Exhaust Systems and Emission Technologies

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Fully Integrated Exhaust systems

You can find all of our products in the "Complete Exhaust System and Emission Technologies Webshop". This online facility gives AXCES’ clients direct access to more then 2.500 parts related to the exhaust gas system. This site enables exhaust parts to be searched for and selected by goods and  direct quotes can be done online.
 

3D Model - Item Finder

Axces is trying to make it easier for you to find the item / part of the exhaust system you are looking for, with a new Flash application. The base of this application is a interactive 3D Model of a complete exhaust system. Simply roll over the part in the system you want to know more about and more information will be directly presented to you. Launch the 3D Exhaust System Flash application.
 

Products - Categories

Products - Categories


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If you have any questions about (one of) our products or if we can help you with a tailor made solution to fulfill your demands in emission reduction, please contact us.


 

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