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 546788 is an industrial pneumatic vertical stacking pressure regulator for 2 reversible functions, featuring an 18 mm width and compliance with the ISO 15407-1 norm. It provides a constant output pressure with secondary exhausting across a regulation range of 0.05 MPa to 0.85 MPa (0.5 bar to 8.5 bar, or 7.25 psi to 123.25 psi) and supports an inlet pressure of 0.5 bar to 10 bar using compressed air as per ISO 8573-1:2010 [7:4:4]. Built with IP65 and NEMA 4 protection degrees and a CRC 0 corrosion resistance class, the 245 g component mounts in any position on a manifold or individual sub-base with an optional pressure gauge connection via a retaining clamp. Submit the exact part number, quantity, and application requirements to request a 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 546788. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.