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 577321 is an electrical industrial component featuring a 2x3/2 closed, monostable piston gate valve design with a 14 mm valve size, a nominal width of 4.6 mm, and a soft sealing principle. It operates at 24V DC with an operating pressure of 0.15 MPa to 0.8 MPa (1.5 bar to 8 bar), delivers a normal nominal flow rate of 560 l/min through G1/8 pneumatic working ports, and incorporates an internal pilot air supply with an adjustable exhaust air function. The unit includes a pneumatic spring reset method, piloted control, detenting, non-detenting, and covered manual override, and offers IP40 protection with a plug socket while carrying RCM, c UL us, CE, and UKCA compliance markings for any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 577321. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.