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 550503 is a size 6 MS series industrial component featuring a structural design that integrates a branching module, soft-start valve, pressure switch, on/off valve, and filter regulator with a pressure gauge. Operating at 4.5 bar to 10 bar with a pressure regulation range of 4 bar to 9 bar, this unit delivers a normal nominal flow rate of 3000 l/min using compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases. It includes a 5 µm filtration grade, manual rotating condensate drain, plastic bowl guard, and a 24 V DC 2.5 W coil. Submit your exact part number, quantity, and application requirements to receive a formal quotation for this component.
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 550503. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.