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 6 industrial component from the MS series is a pressure regulator with a pressure gauge featuring constant output pressure, primary pressure compensation, and secondary exhausting. Designed for operating pressures from 0.8 bar to 20 bar and a pressure regulation range of 0.3 bar to 16 bar, it accommodates compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases with a normal nominal flow rate between 600 l/min and 7300 l/min. This c UL us-recognized unit includes a rotary knob with detent and integrated lock, supports any mounting position, and operates within a medium and ambient temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements for an official 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 527666. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.