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 540781 is a Bourdon tube pressure gauge featuring a nominal size of 27 and an external thread mounting design with an R1/8 pneumatic connection. Conforming to standard EN 837-1, this component delivers an operating pressure of 10 bar within an accuracy class 4 and provides an IP43 degree of protection for ambient temperatures from 5 °C to 60 °C. Constructed with RoHS compliant materials and VDMA24364-B1/B2-L LABS conformity, the unit weighs 16 g and supports any mounting position. 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 540781. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.