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 546168 is a servo-controlled diaphragm valve featuring an electrical actuation type with a soft sealing principle and a 40 mm nominal width. Configured as a 2/2-way, closed, monostable valve with non-reversible flow direction, this component supports in-line installation with a G1 1/2 fitting connection and operates with compressed air, inert gas, water, or neutral liquids. It accommodates medium pressure from 0.07 MPa to 1 MPa for gaseous media and 0.07 MPa to 0.6 MPa for liquid media, utilizing a solenoid coil type MH-... ordered separately as an accessory. Submit the exact part number, quantity, and application requirements to receive a quote for this Festo industrial component.
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 546168. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.