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 industrial component, part number 8066400, is a double-acting gear rack and pinion valve actuator featuring a size 10 valve actuator, F03 flange hole pattern, and a 90-degree swivel angle with end-position adjusting ranges from -5 deg to 5 deg at both 0° and the nominal swivel angle. Operating at a nominal operating pressure of 0.55 MPa (5.5 bar / 79.75 psi) within an operating pressure range of 2 bar to 8 bar and a burst pressure of 24 bar, this safety device is certified for safety functions to ISO 13849 and IEC 61508, supporting safety integrity levels up to SIL 2 in low demand mode, SIL 1 in high demand mode, and SIL 3 in a redundant architecture. Submit your exact part number, quantity, and application requirements to request a quote for this 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 8066400. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.