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 531135 is an industrial component featuring an MS series size 4 design structure that combines a filter regulator with a pressure gauge and a proportional standard mist lubricator. It operates within a working pressure range of 1.5 to 12 bar and a pressure control range of 0.5 to 12 bar, delivering a standard nominal flow rate of 850 l/min with a 40 µm grade of filtration. This unit incorporates a fully automatic condensate drain, a plastic bowl guard, a rotary knob actuator lock with an integrated lock, and a controller function providing constant output pressure with initial pressure compensation, secondary exhaust, and return flow. Submit the exact part number, quantity, and application requirements for 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 531135. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.