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 541657 is an electrical 3/2-way closed, monostable industrial component featuring a 73 mm width, 5 mm nominal width, and G1/4 pneumatic working port. Operating at 24V DC within a pressure range of 0.15 MPa to 0.8 MPa (1.5 bar to 8 bar), this piloted valve delivers a normal nominal flow rate of 800 l/min with an adjustable exhaust air function and mechanical spring reset. It is rated IP65 with FM 3026030 certification, and carries Class I, II, III (Div. 1 and 2) explosion protection certifications alongside EPL Gb and EPL Gc ratings for use outside the EU. Submit the exact part number, quantity, and application requirements to request a formal 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 541657. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.