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 577211 is a double-acting industrial component featuring a 20 mm piston diameter and a 25 mm stroke based on the ISO 21287 norm. Built with a piston, piston rod, and profile barrel, this unit includes a guide rod with yoke for torsion protection and self-adjusting pneumatic end-position cushioning. It operates on compressed air within a 1.9 bar to 10 bar pressure range across an ambient temperature span of -20 °C to 80 °C, delivering 188 N advancing and 141 N retracting theoretical forces at 6 bar. Submit the exact part number, quantity, and application requirements for 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 577211. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.