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 540151 is an 18 mm industrial component based on the ISO 15407-2 norm, featuring a constant output pressure controller function with secondary exhausting and an operating pressure of 0.6 MPa (6 bar). This unit operates within a pressure regulation range of 0.05 MPa to 0.6 MPa (0.5 bar to 6 bar, or 7.25 psi to 87 psi) and accepts an inlet pressure 1 ranging from 0.5 bar to 10 bar using compressed air as per ISO 8573-1:2010 [7:4:4]. Constructed with an IP65 and NEMA 4 degree of protection, a product weight of 350 g, and an ambient temperature range of -5 °C to 50 °C, it supports any mounting position and allows for an optional pressure gauge. 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 540151. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.