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 543537 is an industrial pneumatic vertical stacking pressure regulator designed for ports 2 and 4, featuring a width of 26 mm and built to ISO 15407-1 standards with any mounting position. This component provides constant output pressure and secondary exhausting within a regulation range of 0.2 MPa to 0.6 MPa (2 bar to 6 bar, or 29 psi to 87 psi), operating with an inlet pressure of 0.5 bar to 10 bar and compressed air as per ISO 8573-1:2010 [7:4:4]. It offers IP65 and NEMA 4 protection, a product weight of 430 g, and compatibility with manifold or individual sub-bases. Submit the exact part number, quantity, and application requirements for 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 543537. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.