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 554042 is a pilot-controlled diaphragm regulator featuring a 3-way proportional pressure control valve with a 6 mm nominal width pressurization and a 4.5 mm exhaust nominal width. This electrical component utilizes soft sealing, a mechanical spring reset method, and a piloted control type delivering a normal nominal flow rate of 1400 l/min across a pressure regulation range of 0.1 bar to 10 bar. It operates on a DC voltage range of 21.6 V to 26.4 V and includes short-circuit and reverse polarity protection for all electrical connections alongside an LED display. 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 554042. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.