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 MS series industrial component features a structurally designed directly controlled diaphragm regulator with a rotary knob with integrated lock actuator lock and universal mounting position. This unit provides constant output pressure, secondary exhausting, and a return flow characteristic with an operating pressure range of 0.8 bar to 14 bar, a regulation range of 0.3 bar to 7 bar, and a nominal flow rate of 1800 l/min using compressed air or inert gases. Weighing 350 g, the assembly operates within ambient and medium temperatures of -10 °C to 60 °C and includes a G1/8 pressure gauge setup, CRC 2 moderate corrosion resistance, and VDMA24364-B1/B2-L LABS conformity. 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 8190236. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.