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 part number 165658 is an industrial component featuring a one-way flow control function for exhaust air with a G1/8 pneumatic connection port and a slotted head screw adjusting element. This threaded valve operates within a working pressure range of 0.3 to 10 bar and an ambient and medium temperature range of -10 to 60 °C, delivering a standard nominal flow rate of 300 l/min in the flow control direction. Constructed with wrought aluminum alloy components and NBR seals, the unit weighs 26 g, accommodates filtered lubricated or unlubricated compressed air with 40 µm filtration, and holds Germanischer Lloyd authorization. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 165658. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.