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 8172729 is a size 16 industrial component featuring a 2/2-way, closed, monostable rocker valve with a diaphragm seal, soft sealing principle, and a 1.6 mm nominal width. This directly controlled, electrically actuated valve includes a side electrical connection utilizing a cable with a plug in connection pattern H, a mechanical spring reset method, and a reversible flow direction with a flange fluid connector. Constructed with EPDM and PEEK media-contacting materials, the 17 mm wide unit mounts via a through-hole for an M2.5 screw in any position to handle liquid and gaseous media with a maximum particle size of 5 µm, subject to material resistance observations and food industry supplementary guidelines. Submit the exact part number, quantity, and application requirements to receive 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 8172729. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.