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 546176 is a servo-controlled diaphragm valve featuring a 2/2-way, closed, monostable valve function with an electrical actuation type and soft sealing principle. This component utilizes a 40 mm nominal width, 1 1/2 NPT fitting connection for in-line installation, and accepts a solenoid coil type MH-... ordered separately as an accessory. It regulates compressed air, inert gas, water, and neutral liquids with a non-reversible flow direction, operating within a gaseous media pressure range of 0.07 MPa to 1 MPa and a liquid media pressure range of 0.07 MPa to 0.6 MPa. 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 546176. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.