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
This Festo industrial component (Part Number: 8084135) is a single-acting gear rack/pinion valve actuator featuring a size of 900, an F1012 flange hole pattern, and a nominal swivel angle of 90 degrees with an end-position adjusting range of -5 deg to 5 deg at both 0 degrees and the nominal swivel angle. Operating within a pressure range of 2 bar to 8 bar (29 psi to 116 psi) at a nominal operating pressure of 6 bar (87 psi) and a burst pressure of 24 bar, the unit includes a safety function utilizing spring force to switch to the defined safety position when compressed air is switched off and the spring chamber is exhausted. Certified to ISO 13849 and IEC 61508, the device supports safety-related control systems up to SIL 2 in low demand mode, SIL 1 in high demand mode, and SIL 3 in a redundant architecture, featuring a 29 mm shaft connection depth, ISO 5211 standard valve connection, VDI/VDE 3845 (NAMUR) compliance, and a VDI/VDE 3845 Size AA 3 connection point for positioners and position sensors. Submit the exact part number, quantity, and application requirements to receive a formal quotation 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 8084135. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.