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. 744-4517
BrandRS PRO
£109.60
1 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 Polymer
RS Stock No. 176-2294
BrandRS PRO
£1.512
Each (In a Pack of 10)
Units
- Silencer Threaded 1/8 in Male - - 10bar Brass -20°C Male +150°C - 1/8in Brass
RS Stock No. 176-2295
BrandRS PRO
£1.927
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Brass -20°C Male +150°C - 6.35 mm Brass
RS Stock No. 176-2287
BrandRS PRO
£1.427
Each (In a Pack of 10)
Units
- Silencer Threaded M5 Male - - 10bar - -15°C Male +100°C Metric M5 -
RS Stock No. 176-2296
BrandRS PRO
£3.448
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Brass -20°C Male +150°C - 9.525 mm Brass
RS Stock No. 176-2288
BrandRS PRO
£1.491
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar - -15°C Male +100°C - G 1/8 Male -
RS Stock No. 176-2297
BrandRS PRO
£4.727
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Brass -20°C Male +150°C - 12.7 mm Brass
RS Stock No. 176-2220
BrandRS PRO
£10.474
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Stainless Steel -20°C Male +300°C - 3.175 mm Stainless Steel
RS Stock No. 176-2279
BrandRS PRO
£1.353
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 12bar Brass -10°C Male +80°C - 3.175 mm Brass
RS Stock No. 176-2289
BrandRS PRO
£1.843
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar - -15°C Male +100°C - G 1/4 Male -
RS Stock No. 176-2274
BrandRS PRO
£1.878
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Brass -10°C Male +80°C - 6.35 mm Brass
RS Stock No. 176-2277
BrandRS PRO
£4.397
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Brass -10°C Male +80°C - 12.7 mm Brass
RS Stock No. 176-2221
BrandRS PRO
£11.977
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Stainless Steel -20°C Male +300°C - 6.35 mm Stainless Steel
RS Stock No. 176-2280
BrandRS PRO
£1.878
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 12bar Brass -10°C Male +80°C - 6.35 mm Brass
RS Stock No. 176-2290
BrandRS PRO
£2.769
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar - -15°C Male +100°C - G 3/8 Male -
RS Stock No. 176-2283
BrandRS PRO
£2.259
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 12bar Brass -10°C Male +80°C - 3.175 mm Brass
RS Stock No. 176-2293
BrandRS PRO
£5.488
Each (In a Pack of 10)
Units
- Restrictor Silencer Threaded - - - 10bar - -15°C Male +100°C - 6.35 mm -
RS Stock No. 176-2286
BrandRS PRO
£6.966
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 12bar Brass -10°C Male +80°C - 12.7 mm Brass
RS Stock No. 176-2275
BrandRS PRO
£3.347
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Brass -10°C Male +80°C - 9.525 mm Brass
RS Stock No. 176-2278
BrandRS PRO
£6.782
Each (In a Pack of 10)
Units
- Silencer Threaded - - - 10bar Brass -10°C Male +80°C - 19.05 mm Brass