Festo VFFK Flow Control Silencer

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Festo VFFK Series screwed into exhaust controls of control valves or drives, this series restrict the air exhaust to control the piston speed of cylinders or rotary drives. This is controlled using the adjustment element. Designed with an integrated silencer, these valves reduce noise levels for user comfort.

Features and Benefits:

• Flow rate of up to 420 l/min
• Knurled screw adjusting element
• Lubricated operation possible
• Nickel-plated brass


  • With nickel-plated brass screw and thread these connectors are able to reach a 10bar operating pressure.
  • Port size: M5, M7, R1/8 and R1/4.
  • Wide operating temperature range of 0 to +60°C
  • Air pressure ranges of up to 10 bar
Port Size

M5, M7, 1/8", 1/4"