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 8229573 is an industrial component from the MS series featuring a size 4 directly controlled diaphragm regulator with constant output pressure, secondary exhausting, and a return flow characteristic. It operates within a pressure range of 0.5 bar to 12 bar and a normal nominal flow rate of 1700 l/min using compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases. The unit includes a rotary knob actuator lock with detent that can be closed with accessories, a G1/4 pressure gauge setup, and supports front panel, in-line, or accessory mounting positions. Submit the exact part number, quantity, and application requirements for an RFQ 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 8229573. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.