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 533959 is an MS-series size 4 industrial component featuring a structural design of a filter regulator with pressure gauge and a proportional standard oil mist lubricator, operating within a pressure range of 1.5 bar to 14 bar and a pressure regulation range of 1 bar to 12 bar. It offers a 5 µm grade of filtration, a manual rotating condensate drain, a plastic bowl guard, and a rotary knob actuator lock with an integrated lock, functioning with a normal nominal flow rate of 850 l/min for compressed air as per ISO 8573-1:2010 [-:4:-] or inert gases. Built for a vertical ±5° mounting position, the unit provides constant output pressure with primary pressure compensation, secondary exhausting, and a return flow characteristic, while achieving a CRC of 2 for moderate corrosion stress and VDMA24364-B1/B2-L LABS conformity. 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 533959. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.