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 173028 is an electrical industrial component featuring a 5/3 pressurized valve function, a piston slide design structure, and a 17.8 mm width with an 18 mm grid dimension. It delivers a standard nominal flow rate of 400 l/min across a working and pilot pressure range of 3 to 8 bar, utilizing internal pilot air supply, positive overlap lap, and soft sealing principles with a mechanical spring reset. Certified with c UL us - Recognized (OL) authorization and an IP65 protection class, this piloted unit includes throttleable exhaust-air function, non-reversible flow direction, and a 5 mm nominal size configurable with detenting manual override accessories in any assembly position. Submit the exact part number, quantity, and application requirements to receive a quote for this component.
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 173028. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.