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 part number 546167 is a servo-controlled diaphragm valve featuring a 2/2-way, closed, monostable valve function with a 40 mm nominal width and G1 1/4 in-line installation fitting connection. Engineered with a soft sealing principle and non-reversible flow direction, it operates electrically via a solenoid coil type MH-... ordered separately as an accessory, and is preferably mounted upright. It regulates compressed air, inert gas, water, and neutral liquids with gaseous media pressure ranging from 0.07 MPa to 1 MPa and liquid media pressure from 0.07 MPa to 0.6 MPa, backed by a 4 MPa burst and overload pressure rating as well as a 0.7 bar differential pressure. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 546167. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.