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 543542 is an 18 mm industrial component based on the ISO 15407-1 norm, featuring a pneumatic vertical stacking pressure regulator for ports 2 and 4 that is reversible. 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 1 of 0.5 bar to 10 bar. Weighing 245 g with an IP65 and NEMA 4 degree of protection, the unit operates in ambient temperatures from -5 °C to 50 °C and mounts in any position on a manifold or individual sub-base. 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 543542. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.