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 540516 is an industrial component featuring a 2-way ball valve with a quarter turn actuator supporting both electrical and pneumatic actuation types. This assembly includes an Rp1 1/2 fitting connection, a nominal width DN of 40, a nominal pressure PN rating of 25, and an actuator operating pressure ranging from 1 bar to 8.4 bar. Designed with a product weight of 3,800 g, an internal thread and CNOMO mounting type, and any mounting position, it accommodates medium temperatures from -20 °C to 150 °C and ambient temperatures from -20 °C to 80 °C. Submit the exact part number, quantity, and application requirements to receive a 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 540516. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.