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 542577 is a 2/2 piston seat industrial component featuring electrical actuation, piloted control, and an internal pilot air supply port with a non-reversible flow direction. This unit operates within a 4 bar to 10 bar pressure range, delivers a normal nominal flow rate of 5050 l/min, and utilizes a 24 V DC 1.8 W coil at a 100% duty cycle with a mechanical spring reset. Constructed with a moderate corrosion resistance class (CRC 2), it supports compressed air and inert gases according to ISO 8573-1:2010 [7:4:4] with optional oil lubrication, a detenting and non-detenting manual override, and any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quotation 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 542577. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.