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 525190 is an 18 mm wide electrical industrial component featuring a 3/2-way, closed, monostable valve function and a pressure relief poppet design with a soft sealing principle. This directly controlled unit delivers a normal nominal flow rate of 400 l/min through QS-8 pneumatic working ports, operating at 24V DC across a pressure range of -0.09 MPa to 0.8 MPa (-0.9 bar to 8 bar, or -13.05 psi to 116 psi). Built with an IP65 degree of protection, an adjustable exhaust air function, a mechanical spring reset, and a non-detenting manual override, it carries a c UL us recognized certification. Submit the exact part number, quantity, and application requirements for a formal 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 525190. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.