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 pressure regulator featuring a structural design with a pressure gauge and a rotary knob with detent for the actuator lock. It provides constant output pressure with secondary exhausting and a return flow characteristic, operating within an input pressure range of 0.8 bar to 14 bar and a regulation range of 0.3 bar to 7 bar at a normal nominal flow rate of 1150 l/min. Designed for compressed air per ISO 8573-1:2010 [7:4:4] or inert gases, this 225 g unit supports oil lubrication and maintains a moderate corrosion stress rating of CRC 2 across a temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to request a quote for this item.
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 8232814. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.