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 531288 is an MS-series size 6 filter regulator featuring a structural design with an integrated pressure gauge, constant output pressure with secondary exhausting, and a 5 µm grade of filtration. Operating within a pressure range of 2 bar to 12 bar and a regulation range of 0.5 bar to 12 bar, this component supports a normal nominal flow rate of 4000 l/min for compressed air as per ISO 8573-1:2010 [7:4:-] and inert gases. It includes a 38 ml plastic bowl guard, a fully automatic and manual non-detenting condensate drain with 75% separation degree, a rotary knob actuator lock with detent that can be closed with accessories, and a vertical ±5° mounting position rated for CRC 2 moderate corrosion stress. 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 531288. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.