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 577525 is a monostable, 3/2-way closed pneumatic industrial component featuring a 21 mm valve size, a 5.2 mm nominal width, and a plate seat structural design with a soft sealing principle. It delivers a normal nominal flow rate of 600 l/min through G1/8 pneumatic working ports, operating across a pressure range of -0.9 bar to 10 bar with internal pilot air supply and an adjustable exhaust air function. Featuring direct control, mechanical spring reset, and c UL us recognition, this non-reversible unit accommodates any mounting position without a manual override. Submit the exact part number, quantity, and application requirements to request a quote for this Festo 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 577525. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.