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 540009 is a modular industrial component featuring a 0.7 mm nominal width Laval nozzle, a 20 mm width dimension, an open muffler construction type, and an any mounting position with high vacuum and standard ejector characteristics. This unit integrates an electric ejector pulse valve, flow control valve, electric on-off valve, filter, electric air-saving function, check valve, open muffler, and vacuum switch, alongside a piezoresistive measuring principle for relative pressure with a 4-digit backlit LCD alphanumeric display ranging from -0.999 bar to 0 bar. It includes 40 µm grade filtration, non-detenting manual override via control keys, short-circuit protection, reverse polarity protection for all electrical connections, and switching inputs conforming to IEC 61131-2 with configurable NC or NO switching element functions and window or threshold value comparator switching functions. 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 540009. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.