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 540011 is a modular industrial component featuring a 1.4 mm nominal width Laval nozzle, a 20 mm width dimension, an open muffler construction type, and an any mounting position. It incorporates an electric ejector pulse valve, flow control valve, electric on-off valve, filter, electric air-saving function, check valve, open muffler, and vacuum switch, providing high vacuum and standard ejector characteristics with 40 µm filtration. The unit includes a piezoresistive measuring principle for relative pressure, a 4-digit alphanumeric backlit LCD display with a -0.999 bar to 0 bar display range in bar units, non-detenting manual override also via control keys, short-circuit protection, and reverse polarity protection for all electrical connections. Submit the exact part number, quantity, and application requirements for 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 540011. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.