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 577492 is a 3/2-way monostable open industrial component featuring an electrical actuation type and a 21 mm valve size. It operates with a normal nominal flow rate of 600 l/min through a G1/8 pneumatic working port across an operating pressure range of 0.25 MPa to 1 MPa (2.5 bar to 10 bar). Constructed with a plate seat structural design and soft sealing principle, the unit utilizes internal pilot air supply, mechanical spring reset, and features adjustable exhaust air function alongside detenting or non-detenting manual override. This c UL us recognized (OL) component includes a nominal width of 5.2 mm, a b-value of 0.29, a C value of 2.3 l/sbar, and supports any mounting position with a non-reversible flow direction and negative overlap lap. 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 577492. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.