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 555775 is an industrial component designed as a pneumatic vertical stacking pressure regulator for size 4, featuring a constant output pressure controller function with secondary exhausting and an ISO 5599-2 compliance base. This unit operates with a pressure regulation 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) using compressed air as per ISO 8573-1:2010 [7:4:4]. Built with a width of 54 mm, a weight of 1230 g, IP65 and NEMA 4 protection degrees, and an ambient temperature range of -5 °C to 50 °C, it mounts in any position on a manifold or individual sub-base. Submit the exact part number, quantity, and application requirements for a formal 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 555775. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.