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 part number 540878 is an industrial component featuring a 2-way ball valve with a swivel actuator that supports both electrical and pneumatic actuation. This unit incorporates an Rp2 1/2 process valve connection, a nominal diameter DN of 65, and a nominal pressure rating of 63, operating within a working pressure range of 1 to 8.4 bar and a medium temperature range of -20 to 150 °C. Weighing 14,400 g with a CRC corrosion resistance classification of 3, the assembly can be installed in any position using CNOMO mounting or internal female threads while utilizing a knob direction indicator for the flow direction. 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 540878. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.