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 173131 is an electrical 5/2 monostable industrial component featuring a piston slide design structure with a 17.8 mm width, an 18 mm grid dimension, and a 5 mm nominal size. It delivers a standard nominal flow rate of 700 l/min across a working pressure range of -0.9 to 10 bar, utilizing an external pilot air supply with a pilot pressure of 2.5 to 8 bar. Built with a soft sealing principle, positive overlap lap, mechanical spring reset, and IP65 protection class, this c UL us recognized component supports reversible flow direction and throttleable exhaust-air function in any assembly position. Submit the exact part number, quantity, and application requirements to request a quote for this unit.
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 173131. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.