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 4834291 is a mechanical 3-way ball valve featuring an L bore, a 3/2 valve function, and a nominal width DN of 20 with a 16 mm inside diameter. Constructed for in-line installation with 3/4 NPT fitting connections and an ISO 5211 F04 flange hole pattern, it handles a nominal pressure PN of 63 and a breakaway torque of 14.3 Nm at differential pressure based on ASME B1.20.1 standards. The soft-sealed assembly operates in any mounting position across a medium temperature range of -20 °C to 200 °C, supporting compressed air, inert gas, vapor, water, and neutral liquids with a reversible flow direction and a type L flow rate Kv of 12 m³/h. 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 4834291. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.