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 555773 is an ISO 5599-2 industrial pneumatic vertical stacking pressure regulator featuring a 54 mm width and a constant output pressure controller function with secondary exhausting. Operating within a regulated pressure range of 1 bar to 6 bar (0.1 MPa to 0.6 MPa, 14.5 psi to 87 psi) and an inlet pressure range of 0.5 bar to 10 bar (0.05 MPa to 1 MPa, 7.25 psi to 145 psi), this 1230 g component supports any mounting position on manifold or individual sub-bases. It utilizes compressed air as per ISO 8573-1:2010 [7:4:4] with possible oil lubrication, provides IP65 and NEMA 4 protection degrees across ambient temperatures from -5 °C to 50 °C, and allows for an optional pressure gauge. Submit the exact part number, quantity, and application requirements to request a quote for this part.
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 555773. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.