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 8037019 is a Midi-size D-series industrial component featuring a directly controlled diaphragm regulator with constant output pressure, primary pressure compensation, secondary exhausting, and a return flow characteristic. It operates within a pressure regulation range of 0.5 bar to 7 bar and a maximum operating pressure of 16 bar, delivering a normal nominal flow rate of 4000 l/min for compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases. Equipped with a rotary knob with detent for actuator locking and an integrated pressure gauge, this 720 g unit supports front panel mounting, in-line installation, or mounting with accessories via a G1/2 pneumatic connection. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 8037019. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.