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 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
RS Stock No. 176-2278
BrandRS PRO
kr 126,913
Each (In a Pack of 10)
Units
- Silencer Threaded 3/4 in Male - - 10bar Brass -10°C Male +80°C - 3/4in
RS Stock No. 176-2277
BrandRS PRO
kr 60,825
Each (In a Pack of 10)
Units
- Silencer Threaded 1/2 in Male - - 10bar Brass -10°C Male +80°C - 1/2in
RS Stock No. 235-1217
BrandRS PRO
kr 37,51
Each
Units
PSU Muffler Threaded 1/8 in Male - - - Plastic - - - - -
RS Stock No. 176-2279
BrandRS PRO
kr 20,145
Each (In a Pack of 10)
Units
- Silencer Threaded 1/8 in Male - - 12bar Brass -10°C Male +80°C - 1/8in
RS Stock No. 235-1218
BrandRS PRO
kr 47,29
Each
Units
PSU Muffler Threaded 1/4 in Male - - - Plastic - - - - -
RS Stock No. 744-4517
BrandRS PRO
kr 1 741,16
Pr. Kit
Kit(s)
- Silencer Threaded G 1/2 Male, G 1/4 Male, G 1/8 Male, G 3/4 Male, G 3/8 Male, M5 Male - - 10bar PE -10°C Male +80°C G, Metric 1/2 in, 1/4 in, 1/8 in, 3/4 in, 3/8 in, M5
RS Stock No. 176-2294
BrandRS PRO
kr 23,036
Each (In a Pack of 10)
Units
- Silencer Threaded 1/8 in Male - - 10bar Brass -20°C Male +150°C - 1/8in
RS Stock No. 235-1219
BrandRS PRO
kr 132,96
Each
Units
PSU Muffler Threaded 1/2 in Male - - - Plastic - - - - -
RS Stock No. 176-2295
BrandRS PRO
kr 29,266
Each (In a Pack of 10)
Units
- Silencer Threaded 1/4 in Male - - 10bar Brass -20°C Male +150°C - 1/4in
RS Stock No. 176-2273
BrandRS PRO
kr 19,221
Each (In a Pack of 10)
Units
- Silencer Threaded 1/8 in Male - - 10bar Brass -10°C Male +80°C - 1/8in
RS Stock No. 176-2284
BrandRS PRO
kr 39,605
Each (In a Pack of 10)
Units
- Silencer Threaded 1/4 in Male - - 12bar Brass -10°C Male +80°C - 1/4in
RS Stock No. 176-2287
BrandRS PRO
kr 39,159
Each (In a Pack of 10)
Units
- Silencer Threaded M5 Male - - 10bar - -15°C Male +100°C Metric M5
RS Stock No. 231-2550
BrandRS PRO
kr 24,722
Each (In a Pack of 10)
Units
7120 Pad Silencer Threaded 1/4 in Female 1/4in - 10bar Nickel Plated Brass - Female - - 1/4in
RS Stock No. 176-2281
BrandRS PRO
kr 50,389
Each (In a Pack of 10)
Units
- Silencer Threaded 3/8 in Male - - 12bar Brass -10°C Male +80°C - 3/8in
RS Stock No. 176-2282
BrandRS PRO
kr 69,533
Each (In a Pack of 10)
Units
- Silencer Threaded 1/2 in Male - - 12bar Brass -10°C Male +80°C - 1/2in
RS Stock No. 176-2283
BrandRS PRO
kr 34,43
Each (In a Pack of 10)
Units
- Silencer Threaded 1/8 in Male - - 12bar Brass -10°C Male +80°C - 1/8in
RS Stock No. 176-2296
BrandRS PRO
kr 56,553
Each (In a Pack of 10)
Units
- Silencer Threaded 3/8 in Male - - 10bar Brass -20°C Male +150°C - 3/8in
RS Stock No. 176-2221
BrandRS PRO
kr 185,325
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Stainless Steel -20°C Male +300°C - 6.35 mm
RS Stock No. 187-5722
BrandRS PRO
kr 3 848,80
1 Bag of 5
Bag(s)
7100 Silencer Threaded - - - 5bar PE -15°C - +100°C - 3/4 in
RS Stock No. 176-2290
BrandRS PRO
kr 63,391
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar - -15°C Male +100°C - G 3/8 Male