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 550501 is a Size 6 MS series industrial component featuring a structural design with a branching module, soft-start valve, pressure switch, on/off valve, and a filter regulator with a pressure gauge. It operates within a 4.5 bar to 10 bar operating pressure range, delivering a normal nominal flow rate of 3100 l/min utilizing compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases. This unit is equipped with a fully automatic condensate drain, a 40 µm filtration grade, a plastic bowl guard, and a rotary knob actuator lock with detent that can be closed with accessories. Submit the exact part number, quantity, and application requirements to request 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 550501. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.