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 531210 is an MS-series size 4 filter regulator featuring a structural design with a pressure gauge, a 40 µm filtration grade, and a fully automatic or manual non-detenting condensate drain. It provides a normal nominal flow rate of 900 l/min, constant output pressure with secondary exhausting, and an operating pressure range of 0.2 MPa to 1.2 MPa for compressed air and inert gases. Designed with a plastic bowl guard, a rotary knob actuator lock with detent, and a corrosion resistance class of 2, this unit operates within a pressure regulation range of 0.5 bar to 12 bar. 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 531210. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.