Festo U Pneumatic Silencer

RS Stock No.:
Mfr. Prt No.:

Technical Reference

Legislation and Compliance

RoHS Certificate of Compliance

RS Components
RoHS Certificate of Compliance

EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.

Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.

RS definition of RoHS Compliance:

  • The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
  • and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering

The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:

PBB (Polybrominated Biphenyls)0.1%
PBDE ( Polybrominated Diphenyl Ethers)0.1%
Hexavalent Chromium0.1%
DEHP (Bis (2-Ethylhexl) phthalate)0.1%
BBP (Benzyl butyl phthalate)0.1%
DBP (Dibutyl phthalate)0.1%
DIBP (Diisobutyl phthalate)0.1%

The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".

RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.

Compliant Product Details
RS stock number 1215866
Product description Festo U Pneumatic Silencer
Manufacturer / Brand Festo
Manufacturer part number U-1/8

RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 1215866
Product description Festo U Pneumatic Silencer
Manufacturer / Brand Festo
Manufacturer part number U-1/8

The foregoing information relates to product sold on, or after, the date shown below.


Date Jul 25, 2024

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: DE

Product Details

Festo U Series Pneumatic Silencers

Festo cylinders series are designed to reduce noise produced from air exhausts in pneumatic systems and pipes. Acting as a muffler which is essential for reducing sound to safe decibel levels within industrial work environments they improve user comfort. Designed to also filter against ingress of contamination, dirt, dust and grease in the tubing or pipes, the silencer ensures that the pneumatic system and air is not compromised helping to prevent equipment break down.

This silencer series keeps noise levels below 84dB(A) and offers a high flow rate in a compact thread connection fitting. They also feature threaded or push-in connections which makes coupling and uncoupling efficient and simple.

Features and Benefit

• Free from Copper and PTFE


• Threaded connection M5, G1/2, G1/4, G1/8, G3/8, G3/4, G1
• Barbed connector connection PK-3, PK-4
• Noise level 65 dB(A) to 84 dB(A)


• For solenoid valves CPE
• Threaded connection M5, M7, G1/8, G1/4, G3/8
• Push-in connector QS 3, QS 4, QS 6, QS 8, QS 10
• Noise level 58 dB(A) to 68 dB(A)


Attribute Value
Brand Festo
Type Silencer
Body Material Polyacetal
Inlet Connection Type Threaded
Manufacturer Series U
Threaded Inlet Connection G 1/8 Male
Noise Reduction 77 dB(A)
Maximum Input Pressure 10 bar
Material PE
Minimum Operating Temperature -10 °C
Threaded Inlet Connection Thread Gender Male
Maximum Operating Temperature +70 °C
Threaded Inlet Connection Thread Standard G
Threaded Inlet Connection Thread Size 1/8 in
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