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 8121043 is an industrial component featuring a 0.95 mm Laval nozzle nominal width and high vacuum ejector characteristics, achieving a maximum vacuum of 92 %. This unit includes integrated functions such as an electric ejector pulse, flow control valve, pressure transmitter, electric on-off valve, filter, and open muffler, along with a piezoresistive pressure sensor for threshold value comparison and fixed hysteresis switching. Operating within a pressure range of 0.2 MPa to 0.7 MPa (2 bar to 7 bar) on compressed air as per ISO 8573-1:2010 [7:4:4], the 300 g device operates on 24 V DC (1.0 W) with a DC operating voltage range of 21.6 V to 26.4 V and delivers a 0 - 10 V analog output. The delivery scope comprises an adapter plate, distance piece, Velcro roll, USB stick with URCap, vacuum generator, suction cup with connection, two connecting cables, five blanking plugs, and six socket head screws. Submit the exact part number, quantity, and application requirements for a formal 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 8121043. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.