Festo U-1/8-B 6841 Pneumatic Silencer G1/8 Male Thread

Festo U-1/8-B is a pneumatic muffler (silencer) used to reduce noise and prevent contamination at the exhaust ports of pneumatic valves, cylinders and other components. Made of aluminium housing with PE insert. G1/8 male thread.

Applications:

• Noise reduction on valves and cylinders exhaust ports

• Valve terminal and manifold silencing

• Industrial automation and packaging machinery

• Exhaust filtration preventing contamination in clean environments

Core Specifications:

• Pneumatic connection: G1/8 male thread (BSPP)

• Operating pressure range: 0 … 10 bar

• Flow rate to atmosphere: 1340 l/min (approx.)

• Noise level: 74 dB(A)

• Ambient / media temperature: -10 … +70 °C

• Cushioning insert material: PE (polyethylene)

• Housing material: Aluminium

• Material of threaded plug: Aluminium

• Corrosion resistance class (CRC): 1 (low corrosion stress)

• Operating medium: Compressed air to ISO 8573-1:2010 [7:-:-]; lubricated operation possible (if lubricated, continued lubrication required)

• Packing unit: 1 piece

• Product weight: approx. 2.3 g

• RoHS compliant

Advanced Specifications:

• Mounting position: any

• Symbol: 00991473

• LABS (PWIS) conformity: VDMA24364-B1/B2-L

• Country of origin: Germany

System Integration:

• Belongs to Festo U series of pneumatic silencers.

• Directly screws onto exhaust ports with G1/8 male thread.

• Compatible with Festo valve systems, cylinders, and pneumatic components requiring G1/8 exhaust connections.

• Tool‑free installation; can be mounted in any position.

Standards & Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information.

Related Products (port size variants within the U series):

• U-1/4-B (6842) – G1/4, noise level <76 dB(A), flow 2050 l/min

• U-3/8-B – G3/8, noise level <82 dB(A), flow 6000 l/min

• U-1/2-B – G1/2, noise level <82 dB(A), flow 10300 l/min

• U‑1/8‑50 (534222) – G1/8, bulk pack of 50 units (same individual characteristics), identical noise level (74 dB(A)), but different packaging and quantity