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 8002391 is a mini Series D directly controlled diaphragm regulator featuring a rotary knob with detent for constant output pressure, primary pressure compensation, secondary exhausting, and return flow characteristics. This component includes a pressure gauge and operates within an input pressure range of 1 bar to 16 bar and a regulation range of 0.5 bar to 7 bar, delivering a normal nominal flow rate of 1600 l/min using compressed air or inert gases. Weighing 350 g, it supports any mounting position via front panel mounting, in-line installation, or accessories with a G1/4 pneumatic connection and 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 quotation for this industrial component.
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 8002391. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.