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 543573 is an industrial component from the MS series, size 6, featuring a branching module, on/off valve, filter regulator with pressure gauge, and standard mist lubricator. Designed with a 40 µm filtration grade, a manual rotating condensate drain, a plastic bowl guard, and a rotary knob actuator lock with detent that can be closed with accessories, this unit operates within a pressure range of 4.5 bar to 18 bar and regulates pressure from 4 bar to 12 bar. It achieves a normal nominal flow rate of 3300 l/min for compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases, utilizing a controller function with constant output pressure, primary pressure compensation, secondary exhausting, and return flow characteristic. 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 543573. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.