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 529221 is an MS-series size 6 filter regulator featuring a 40 µm grade of filtration, manual rotary condensate drain, 38 ml max condensate volume, and an integrated pressure gauge. Operating within a working pressure range of 0.8 to 20 bar and a pressure control range of 0.3 to 7 bar, this component provides a constant output pressure with secondary exhaust and a standard nominal flow rate of 5,700 l/min. Built with a plastic bowl guard and a lockable rotary knob actuator lock, the unit requires vertical +/- 5° assembly and functions with compressed air to ISO 8573-1:2010 [-:4:-] or inert gases within a -10 to 60 °C temperature range. Submit the exact part number, quantity, and application requirements to receive 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 529221. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.