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
This Festo industrial component, part number 539986, features a 0.45 mm nominal size Laval nozzle, a 20 mm grid dimension, and an open silencer design with any assembly position. The modular unit integrates an electrical on-off valve, filter, open silencer, and piezoresistive vacuum switch measuring relative pressure with high vacuum or standard ejector characteristics. It includes a 4-place backlit alphanumeric LCD indicating a -29.5 to 0 inchHg range, a 40 µm grade of filtration, short circuit and reverse polarity protection, and a manual override via pushing and operating buttons. Submit the exact part number, quantity, and application requirements for a quote.
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 539986. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.