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 8172845 is a 5/2-way monostable industrial component featuring an 18 mm valve size, a piston gate valve structural design, and a soft sealing principle with an indeterminate overlap lap. Powered by a 24V DC operating voltage, this pilotted valve utilizes external pilot air supply, an adjustable exhaust air function, a mechanical spring reset method, and offers a normal nominal flow rate of 1300 l/min through G1/4 pneumatic working ports across an operating pressure range of -0.09 MPa to 1 MPa. It provides an IP40 degree of protection, a 6.9 mm nominal width, versatile mounting position capabilities, detenting, non-detenting, and covered manual override options, and carries RCM compliance along with c UL us recognition under UL certificate MH19482. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 8172845. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.