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 555784 is a 54 mm wide industrial component based on the ISO 5599-2 norm, featuring a pneumatic vertical stacking pressure regulator for 4 reversible functions with constant output pressure and secondary exhausting. It operates within a pressure regulation range of 0.05 MPa to 1 MPa (0.5 bar to 10 bar, 7.25 psi to 145 psi) and supports any mounting position on a manifold sub-base or individual sub-base. The unit provides IP65 and NEMA 4 protection degrees, handling compressed air operating medium per ISO 8573-1:2010 [7:4:4] with a product weight of 1230 g. 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 555784. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.