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 4405650 is a mechanical 2-way ball valve featuring a soft sealing principle, an inside diameter of 25 mm, and a nominal width DN of 25 with an Rp1 fitting connection. Built on EN 10226-1 and ISO 5211 norms with an F03 flange hole pattern, this 2/2 valve delivers a reversible flow direction and a flow rate Kv of 39 m³/h for compressed air, inert gas, water without water vapor, and neutral liquids within a medium temperature range of -15 °C to 90 °C. It operates at a nominal pressure PN of 25 with a breakaway torque of 5.5 Nm, includes a switching position indication where the slot direction equals the flow direction, and features RoHS-compliant materials with VDMA24364 zone III LABS conformity for any mounting position via line installation. Submit your 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 4405650. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.