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 542559 is an electrical piston seat industrial component featuring a 2/2 valve function, piloted internal pilot air supply, and a mechanical spring reset with a detenting and pushing manual override. This component operates on a 24V DC characteristic coil data within a working pressure range of 4 to 10 bar, delivering a standard nominal flow rate of 2,000 l/min with a 100% duty cycle, C value of 9.6 l/sbar, and b value of 0.45. Engineered for any assembly position, it processes compressed air meeting ISO8573-1:2010 [7:4:4] or inert gases at a medium temperature of -10 to 50 °C, supports lubricated operation, and maintains a CRC corrosion resistance classification of 2. Submit the exact part number, quantity, and application requirements to request a formal 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 542559. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.