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 529191 is a Size 6 industrial filter regulator from the MS series featuring an integrated 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 4500 l/min within an operating pressure range of 2 bar to 12 bar, maintaining a constant output pressure with secondary exhausting and a maximum pressure hysteresis of 0.25 bar. Designed with a plastic bowl guard, a maximum condensate volume of 38 ml, and a rotary knob actuator lock with detent that can be closed with accessories, the unit operates on compressed air as per ISO 8573-1:2010 [7:4:-] or inert gases in a vertical ±5° mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this component.
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 529191. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.