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 part number 566439 is a 10 mm electrical 5/3-way closed industrial component featuring a piston gate valve structural design, internal pilot air supply port, and a soft sealing principle. It delivers a normalized nominal flow rate of 90 l/min through M3 pneumatic working ports, operating on 24V DC within an operating pressure range of 0.3 MPa to 0.8 MPa (3 bar to 8 bar). This piloted unit includes a mechanical spring reset method, adjustable exhaust air function, a nominal width of 2 mm, detenting, non-detenting, and covered manual override, and offers IP40, IP65, and plug socket protection degrees with any mounting position. Certified with RCM compliance mark and c UL us-recognized (OL) listings, it carries CE and UKCA markings per applicable EU and UK directives for EMC, low voltage, and RoHS. Please 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 566439. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.