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 8177466 is a 2/2-way closed monostable industrial component featuring a pneumatic actuation type, G3/8 pneumatic connections, and an integrated exhaust air one-way flow control function with manual exhaust. It delivers a standardized nominal flow rate of 430 l/min in the flow control direction and 640 l/min to 730 l/min in the non-return direction, operating across a pressure range of 0.05 MPa to 1 MPa. Built with welding spatter-resistant properties, a sealing ring on the screwed plug, and detenting manual override, this unit mounts in any position via external thread screw-in installation and complies with EU and UK EMC and RoHS directives. 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 8177466. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.