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 531205 is an MS series size 4 filter regulator featuring a structural design with a pressure gauge, a manual rotating condensate drain, and a 40 µm grade of filtration. Operating within an input pressure range of 0.8 bar to 14 bar and a regulation range of 0.5 bar to 12 bar, this unit delivers a normal nominal flow rate of 1500 l/min for compressed air as per ISO 8573-1:2010 [-:4:-] and inert gases. It incorporates constant output pressure control with secondary exhausting, a return flow characteristic, 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 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 531205. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.