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 173173 is a 5/2 bistable industrial component featuring a pneumatic actuation type and a piston slide design structure with a soft sealing principle and positive overlap lap. This unit provides a standard nominal flow rate of 650 l/min across a working pressure range of -0.9 to 10 bar, utilizing an external pilot air supply with a pilot pressure of 1.5 to 8 bar, an air spring reset, and a throttleable exhaust-air function within a 17.8 mm width. Featuring UL - Recognized (OL) authorization, this reversible flow direction component is direct-piloted with a 5 mm nominal size, 18 mm grid dimension, and a b value of 0.42 for any assembly position without manual override. Submit the exact part number, quantity, and application requirements to receive a formal price 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 173173. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.