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 Size 4 industrial component from the MS series is a directly controlled diaphragm regulator providing constant output pressure with secondary exhausting and a return flow characteristic. Featuring an integrated pressure gauge within its rotary knob with detent, this part operates within a pressure range of 0.8 bar to 14 bar and delivers a normal nominal flow rate of 1200 l/min using compressed air or inert gases. It weighs 225 g, exhibits moderate corrosion stress resistance, and functions within ambient and medium temperatures from -10 °C to 60 °C in any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 611432. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.