Pneumatic Silencers

Pneumatic silencers are used in pneumatic systems to safely vent pressurized air to the atmosphere. Also known as mufflers they are typically used with valves, manifolds, cylinders, compressors and fittings. RS Components offer a range of high-quality silencers from leading brands including Festo, SMC, Legris IMI Norgren and of course RS PRO.

Why would I need a pneumatic silencer?

Vented air that exits from an exhaust port can be so powerful it can produce a noise loud enough to be harmful to the environment or workers. Additionally, the exhausted air can also contain contaminants during operation. A silencer is a cost-effective solution used for noise reduction and to remove unwanted contaminants from clogging pneumatic systems.

How does a pneumatic silencer work?

Silencers are installed directly into the exhaust port of pneumatic valves and equipment. They work by diffusing the released air via a larger surface area. This, in turn, reduces the turbulence and decreases noise levels.

What are the different types of pneumatic silencers?

The two most common types of silencer are conical or flat. Both designs come in a range of different working pressure and temperature ratings, connection types and housing materials both metal and plastic. The application will influence the type of silencer selected.

Housing Materials

The housing material of your silencer should be carefully considered when making your selection, application and environment will influence this. There are various housing materials available, the most common being sintered brass, sintered bronze and stainless steel.

Connection Types

Most pneumatic silencers have a threaded male connection, or alternatively, they can have a push-in hose connection. Thread standards include BSP (British Standard Pipe) these can be BSPP (parallel or G) or BSPT (tapered or R). Other threads types are NPT (National Pipe Thread) or Metric, M3, M5, M7.


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Description Price Manufacturer Series Type Inlet Connection Type Threaded Inlet Connection Tube Inlet Connection Noise Reduction Maximum Input Pressure Material Minimum Operating Temperature Threaded Inlet Connection Thread Gender Maximum Operating Temperature Threaded Inlet Connection Thread Standard Threaded Inlet Connection Thread Size Body Material
RS Stock No. 722-283
Mfr. Part No.0670 00 13
BrandLegris
€24.32
1 Pack of 10
Pack(s)
0670 Silencer Threaded G 1/4 Male - - 12bar Sintered Bronze -20°C Male +150°C G 1/4 in -
RS Stock No. 454-7373
Mfr. Part No.0674 00 10
BrandLegris
€2.17
Each
units
0674 Silencer Threaded G 1/8 Male - - 10bar PE -10°C Male +80°C G 1/8 in Polymer
RS Stock No. 454-7395
Mfr. Part No.0674 00 13
BrandLegris
€2.40
Each
units
0674 Silencer Threaded G 1/4 Male - - 10bar PE -10°C Male +80°C G 1/4 in Polymer
RS Stock No. 197-5062
Mfr. Part No.ASN2-02
BrandSMC
€8.02
Each
units
ASN2 Silencer Threaded R 1/4 Male - - 1.5MPa Brass -5°C Male +60°C R 1/4 in -
RS Stock No. 850-8789
Mfr. Part No.AN40-N04
BrandSMC
€12.61
Each
units
AN Silencer Threaded NPT 1/2 Male - - 1MPa Resin +5°C Male +60°C NPT 1/2 -
RS Stock No. 753-7994
Mfr. Part No.AN10-01
BrandSMC
€3.40
Each
units
AN Silencer Threaded R 1/8 Male - - 1MPa Resin +5°C Male +60°C R 1/8 in -
RS Stock No. 619-2082
BrandLegris
€68.54
1 Pack of 10
Pack(s)
0670 Silencer Threaded G 1/2 Male - - 12bar Sintered Bronze -20°C Male +150°C G 1/2 in -
RS Stock No. 753-8007
Mfr. Part No.AN20-02
BrandSMC
€4.77
Each
units
AN Silencer Threaded R 1/4 Male - - 1MPa Resin +5°C Male +60°C R 1/4 in -
RS Stock No. 197-5056
Mfr. Part No.ASN2-01
BrandSMC
€6.21
Each
units
ASN2 Silencer Threaded R 1/8 Male - - 1.5MPa Brass -5°C Male +60°C R 1/8 in -
RS Stock No. 456-4873
Mfr. Part No.0677 00 13
BrandLegris
€18.87
1 Pack of 10
Pack(s)
0677 Silencer Threaded G 1/4 Male - - 12bar Brass -20°C Male +120°C G 1/4 in -
RS Stock No. 456-4839
Mfr. Part No.0682 00 13
BrandLegris
€13.45
Each
units
0682 Silencer Threaded G 1/4 Male - - 12bar Stainless Steel -20°C Male +180°C G 1/4 in -
RS Stock No. 722-277
BrandLegris
€17.52
1 Pack of 10
Pack(s)
0670 Silencer Threaded G 1/8 Male - - 12bar Sintered Bronze -20°C Male +150°C G 1/8 in -
RS Stock No. 712-4841
Mfr. Part No.AN101-01
BrandSMC
€4.00
Each
units
AN Silencer Threaded R 1/8 Male - - 1MPa Copper Alloy +5°C Male +150°C R 1/8 in -
RS Stock No. 619-2105
BrandLegris
€106.91
1 Pack of 5
Pack(s)
0670 Silencer Threaded G 1 Male - - 12bar Sintered Bronze -20°C Male +150°C G 1 in -
RS Stock No. 456-4889
Mfr. Part No.0677 00 17
BrandLegris
€30.55
1 Pack of 10
Pack(s)
0677 Silencer Threaded G 3/8 Male - - 12bar Brass -20°C Male +120°C G 3/8 in -
RS Stock No. 762-2082
Mfr. Part No.AN15-C08
BrandSMC
€4.97
Each
units
SY3000 Silencer Tube - 8mm - 1MPa Resin +5°C - +60°C - - -
RS Stock No. 456-4845
Mfr. Part No.0682 00 17
BrandLegris
€21.00
Each
units
0682 Silencer Threaded G 3/8 Male - - 12bar Stainless Steel -20°C Male +180°C G 3/8 in -
RS Stock No. 686-2573
Mfr. Part No.EBKX-L7004-010
BrandSMC
€6.44
Each
units
EB Silencer Threaded R 1/8 Male - - - Sintered Bronze - Male - R 1/8 in -
RS Stock No. 850-8760
Mfr. Part No.AN202-02
BrandSMC
€4.94
Each
units
AN Silencer Threaded R 1/4 Male - - 1MPa PVF +5°C Male +60°C R 1/4 -
RS Stock No. 125-9912
Mfr. Part No.UC-M5
BrandFesto
€5.30
Each
units
UC Exhaust Silencer Threaded M5 Male - 60dB(A) 10bar PE -10°C Male +70°C Metric M5 PE