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 546174 is an electrical, servo-controlled diaphragm valve featuring a soft sealing principle and a 25 mm nominal width in a 2/2-way, closed, monostable configuration. Designed for in-line installation with a preferred upright mounting position and a 1 NPT fitting connection, it utilizes a solenoid coil type MH-... that is orderable as an accessory. This non-reversible component handles compressed air conforming to ISO 8573-1:2010 [7:4:4], inert gas, water, and neutral liquids, operating 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. 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 546174. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.