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 571303 is a pilot-controlled diaphragm regulator featuring a 3-way proportional pressure control valve with a soft sealing principle and an electrical actuation type via a DC operating voltage range of 21.6 V to 26.4 V. It offers a pressure regulation range of 0.06 bar to 6 bar (0.006 MPa to 0.06 MPa), an inlet pressure range up to 8 bar (0.8 MPa), a maximum pressure hysteresis of 0.03 bar, a normal nominal flow rate of 1750 l/min, and an 8 mm nominal width pressurization with a 7 mm exhaust nominal width. This component includes a backlit LCD display, a mechanical spring reset method, piloted control, and short-circuit and reverse polarity protection for all electrical connections, while operating in any mounting position. Submit the exact part number, quantity, and application requirements to request a quote for this item.
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 571303. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.