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 546157 is a servo-controlled diaphragm valve featuring a soft sealing principle, a 27.5 mm nominal width, and a 2/2-way, closed, monostable valve function with non-reversible flow direction. Designed for in-line installation with a 3/4 NPT fitting connection and a preferred upright mounting position, this electrical component operates with compressed air as per ISO 8573-1:2010 [7:4:4], inert gas, water, and neutral liquids. It accommodates medium pressures from 0.05 MPa to 0.6 MPa for liquid media and up to 1 MPa for gaseous media, utilizing a solenoid coil type MD-... that can be ordered as an accessory. Submit your exact part number, quantity, and application requirements to receive a quote for this 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 546157. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.