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 525166 is a 3/2-way monostable open electrical industrial component featuring a structural design as a pressure relief poppet valve with a 14 mm width and a normal nominal flow rate of 200 l/min. This directly controlled valve operates on 24V DC with an operating pressure range of -0.09 MPa to 0.8 MPa (-0.9 bar to 8 bar) and includes a G1/8 pneumatic working port, mechanical spring reset, soft sealing principle, and IP65 degree of protection. It incorporates an adjustable exhaust air function, non-detenting manual override, and carries c UL us recognition. Submit the exact part number, quantity, and application requirements to receive a 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 525166. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.