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 part number 4809122 is a mechanical 2-way ball valve featuring a 50 mm inside diameter, a nominal width DN of 50, and 2 NPT fitting connections for in-line installation in any mounting position. Built with a soft sealing principle and a 2/2 valve function, it handles a nominal pressure PN of 63, a flow rate Kv of 420 m³/h, and a breakaway torque of 44 Nm at nominal differential pressure based on ASME B1.20.1 and ISO 5211 norms. The component accommodates vapor, compressed air as per ISO 8573-1:2010 [-:-:-], inert gas, water, and neutral liquids at medium temperatures ranging from -20 °C to 200 °C, while incorporating RoHS-compliant materials and VDMA24364 Zone III LABS conformity. 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 4809122. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.