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 577515 is a 5/2-way monostable electrical industrial component featuring a 21 mm valve size, a plate seat structural design, and a soft sealing principle. It delivers a normal nominal flow rate of 500 l/min through G1/8 pneumatic working ports at an operating pressure range of 0.3 MPa to 1 MPa (3 bar to 10 bar) using 24V DC operating voltage. Certified as c UL us - recognized (OL) and rated IP65 with a plug socket per IEC 60529, this piloted unit includes internal pilot air supply, a mechanical spring reset method, adjustable exhaust air, and both detenting and non-detenting manual override. Submit the exact part number, quantity, and application requirements to request a 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 577515. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.