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 8122811 is a Size 10 directly controlled 3/2 monostable rocker valve featuring a diaphragm seal, soft sealing principle, and a 1.6 mm nominal width with a non-reversible flow direction. Designed with an electrical connection at the side via a cable with plug using connection pattern HP, this component accommodates liquid and gaseous media up to a 5 µm maximum particle size within a 0 °C to 50 °C medium temperature range. Its wetted materials consist of FPM and PEEK enclosing an internal volume of 35 µl, and it includes no manual override while supporting mounting in any position using an M2 through-hole screw. 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 8122811. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.