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 186452 is a Midi size D series directly controlled diaphragm regulator featuring constant output pressure, primary pressure compensation, and secondary exhausting with a rotary knob actuator lock with detent. Operating within a 0 bar to 16 bar pressure range and a regulation range of 0.5 bar to 12 bar, this component delivers a normal nominal flow rate of 2100 l/min for compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases. It weighs 660 g, features a moderate corrosion resistance class of 2, and accommodates front panel mounting, in-line installation, or setup with accessories across a medium and ambient temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to receive a formal 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 186452. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.