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 4451864 is a mechanical 3-way ball valve featuring an L bore, a 38 mm inside diameter, and a nominal width DN of 40 for in-line installation in any mounting position with an Rp1 1/2 fitting connection. Built on EN 10226-1 and ISO 5211 norms with F04 and F05 flange hole patterns, it provides a soft sealing principle, reversible flow direction, a nominal pressure PN of 25, and a flow rate Kv type L of 200 m³/h. The component handles compressed air as per ISO 8573-1:2010 [-:-:-], inert gas, water without water vapor, and neutral liquids at medium temperatures ranging from -20 °C to 130 °C, requiring a breakaway torque of 26.7 Nm at differential and nominal pressure. Submit the exact part number, quantity, and application requirements to receive 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 4451864. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.