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 550504 is a size 6 industrial component from the MS series featuring a branching module, soft-start valve, pressure switch, on/off valve, filter regulator with pressure gauge, and standard mist lubricator. It operates within a 4.5 bar to 10 bar pressure range, provides a regulation range of 4 bar to 9 bar, and delivers a normal nominal flow rate of 2100 l/min using compressed air or inert gases. The unit includes a 5 µm filtration grade, a manual rotating condensate drain, a plastic bowl guard, and a 24 V DC 2.5 W coil with a rotary knob actuator lock having a detent. 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 550504. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.