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 1489977 is a pilot-controlled piston poppet valve featuring a 2/2-way closed monostable function, soft sealing principle, and a 13 mm nominal width with 1/2 NPT in-line installation. Designed for electrical actuation via a piloted 24 V DC 6.8 W coil with insulation class H and a 100% duty cycle, it operates with non-reversible flow for compressed air, inert gas, and neutral liquids up to a nominal pressure of 40 PN and a 0.5 bar differential pressure. Submit the exact part number, quantity, and application requirements for 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 1489977. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.