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 173120 is an electrical 5/3 exhausted industrial component featuring a piston slide design structure with a mechanical spring reset and positive overlap lap. This 17.8 mm wide valve delivers a standard nominal flow rate of 500 l/min across a working pressure range of -0.9 to 10 bar, supported by a soft sealing principle and throttleable exhaust-air function. Built with an IP65 protection class and c UL us recognition, the unit includes an external pilot air supply, reversible flow direction, and detenting manual override accessories. 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 173120. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.