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 539991 is a modular industrial component featuring a 0.95 mm nominal size Laval nozzle, a 20 mm grid dimension, and an open silencer design with any assembly position. This unit incorporates an electrical ejector pulse valve, a flow control valve, an electrical on-off valve, a filter, an electrical air-saving circuit, a non-return valve, an open silencer, and a vacuum switch, supporting high vacuum and standard ejector characteristics with a 40 µm grade of filtration. Featuring a piezoresistive measuring principle for relative pressure, it includes short-circuit strength, polarity protection for all electrical connections, IEC 61131-2 standard switching input, and a 4-place alphanumeric backlit LCD display with an indicating range of -29.5 to 0 inchHg. Submit the exact part number, quantity, and application requirements to request a quote for this Festo component.
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 539991. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.