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 527559 is a 10 mm electrical industrial component featuring a 2/2-way, closed, monostable piston gate valve design with soft sealing and positive overlap lap. This piloted unit operates at 22V DC within a pressure range of -0.9 bar to 7 bar, providing a normal nominal flow rate of 150 l/min through QS-3 pneumatic working ports and utilizing an external pilot air supply port at 3 bar to 7 bar. It incorporates a pneumatic spring reset method, IP40 degree of protection, non-throttled exhaust air function, non-reversible flow direction, and detenting or non-detenting manual override for any mounting position. Submit the exact part number, quantity, and application requirements to receive 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 527559. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.