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 8122815 is a size 10, directly controlled 2/2-way closed monostable rocker valve featuring a diaphragm seal with a soft sealing principle and a 1.6 mm nominal width. Configured with a non-reversible flow direction, top electrical connection via a cable with plug using connection pattern HP, and FFPM and PEEK media-contacting materials, it accommodates both liquid and gaseous media within a medium temperature range of 0 °C to 50 °C. The unit includes an internal volume of 35 µl, requires a maximum particle size of 5 µm, lacks a manual override, and mounts via a through-hole for an M2 screw in any mounting position utilizing a flange fluid connector and a mechanical spring reset method. 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 8122815. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.