Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Festo
The Festo 165655 is a G1/8 threaded industrial component providing a one-way flow control function for exhaust air with a standard nominal flow rate of 110 l/min in the flow control direction and 100 to 110 l/min in the non-return direction. Weighing 22 g, this unit features a slotted head screw adjusting element, wrought aluminum alloy screw-in stud and regulating screw, NBR seals, and operates within a working pressure range of 0.3 to 10 bar at ambient and medium temperatures between -10 and 60 °C. It is compatible with filtered lubricated or unlubricated compressed air requiring 40 µm filtration, holds Germanischer Lloyd authorization, and is free of copper and PTFE. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Festo 165655. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.