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 8040571 is a direct-controlled 3/2-way closed monostable industrial component featuring a 15 mm width and a soft sealing principle. Operating at 12V DC with an operating pressure range of 0.15 MPa to 0.8 MPa (1.5 bar to 8 bar, 21.75 psi to 116 psi), this unit delivers a normal nominal flow rate of 13.5 l/min through a sub-base pneumatic working port conforming to ISO 15218. It is equipped with both detenting and non-detenting manual overrides, a mechanical spring reset method, and an IP65 degree of protection supporting any mounting position with a 100% duty cycle. Submit the exact part number, quantity, and application requirements for 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 8040571. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.