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
This Festo 4405647 industrial component is a 2/2-way mechanical ball valve featuring a soft sealing principle, an Rp3/8 fitting connection, and a nominal width DN of 10 with a 10 mm inside diameter. Built to EN 10226-1 and ISO 5211 norms, it supports line installation in any mounting position, a nominal pressure PN of 40, and a flow rate Kv of 9.4 m³/h across a medium temperature range of -20 °C to 130 °C. The RoHS-compliant and VDMA24364 zone III LABS-conformant valve handles compressed air, inert gas, water without vapor, and neutral liquids with a reversible flow direction and a breakaway torque of 3.2 Nm at nominal pressure. Submit the exact part number, quantity, and application requirements to request 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 4405647. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.