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 8172842 is an 18 mm electrical industrial component featuring a 2x3/2 open monostable valve function and a piston gate valve structural design with a soft sealing principle. Operating at 24V DC with an operating pressure range of -0.9 bar to 10 bar (-0.09 MPa to 1 MPa), this piloted unit delivers a normal nominal flow rate of 990 l/min through a G1/4 pneumatic working port and a 5.7 mm nominal width. It incorporates a mechanical spring reset method, adjustable exhaust air function, positive overlap lap, and external pilot air supply port, alongside detenting, non-detenting, and covered manual override options for any mounting position. The component holds an IP40 degree of protection, RCM compliance mark, and c UL us recognition under UL certificate issuing authority MH19482. Submit the exact part number, quantity, and application requirements to receive a formal 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 8172842. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.