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 556531 is a double-acting rotary vane industrial component featuring a 32 mm piston diameter, a stroke range of 10 mm to 200 mm, and a swivel angle adjustable from 0 to 270 degrees with a maximum limit of 272 degrees. This unit operates at pressures between 2.5 bar and 8 bar using compressed air meeting ISO 8573-1:2010 [7:4:4], allowing for oil-lubricated operation while providing elastic cushioning rings at both ends, a plain bearing-guide for torsion protection, and a through, hollow piston rod variant. Featuring a repetition accuracy of 1 degree, a 2-degree swivel angle backlash, a -6 degree precision adjustment, and a corrosion resistance class of 1, it supports a maximum swivel frequency of 2 Hz at 6 bar and a maximum impact velocity of 500 mm/s in any mounting position with position sensing via proximity switch. 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 556531. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.