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 4566 is an industrial component featuring a one-way flow control function with PK-3 pneumatic connections on both ports and a standard nominal flow rate of 45 l/min in both flow control and non-return directions. Constructed with a wrought aluminum alloy housing, a brass adjusting screw, and a through-hole mounting design, this part operates within a pressure range of 0.5 bar to 8 bar and an ambient temperature range of -10 °C to 60 °C. It accommodates compressed air as per ISO 8573-1:2010 [7:-:-], allows operation with oil lubrication, complies with VDMA24364-B1/B2-L LABS conformity, weighs 145 g, and can be installed in any mounting position using its knurled screw adjusting element. Submit the exact part number, quantity, and application requirements for 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 4566. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.