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 555759 is an industrial pneumatic vertical stacking pressure regulator built on the ISO 5599-1 norm with a width of 54 mm and any mounting position. This component delivers a constant output pressure with secondary exhausting across a regulation range of 0.1 MPa to 0.6 MPa (1 bar to 6 bar, or 14.5 psi to 87 psi) and accepts an inlet pressure from 0.05 MPa to 1 MPa (0.5 bar to 10 bar, or 7.25 psi to 145 psi). Featuring IP65 and NEMA 4 degrees of protection, a product weight of 1230 g, and compatibility with compressed air as per ISO 8573-1:2010 [7:4:4], it mounts on a manifold sub-base or individual sub-base with an optional pressure gauge possible. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 555759. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.