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 546165 is a servo-controlled diaphragm valve featuring a soft sealing principle and a 2/2-way, closed, monostable valve function with a 25 mm nominal width. Designed for in-line installation with a G3/4 fitting connection and a preferred upright mounting position, this electrical component accommodates compressed air, inert gas, water, and neutral liquids through a non-reversible flow direction. It operates with a gaseous media pressure range of 0.05 MPa to 1 MPa and a liquid media pressure range of 0.05 MPa to 0.6 MPa, utilizing a solenoid coil type MH-... ordered separately as an accessory. Submit the exact part number, quantity, and application requirements for an official 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 546165. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.