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 173840 is a mini industrial component featuring a vertical mounting position, 1/4 NPT pneumatic connections, and a manual non-detenting condensate drain. It operates within a pressure range of 0.1 MPa to 1.6 MPa, providing a 5 µm filtration grade, a 0.5 bar to 12 bar pressure regulation range, and a normal nominal flow rate of 850 l/min for compressed air and inert gases. Weighing 660 g, this unit accommodates in-line installation or mounting with a retaining bracket while withstanding a moderate corrosion stress class of CRC 2 and an ambient temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to request 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 173840. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.