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 1686640 is a mechanical 2-way ball valve featuring a soft sealing principle, an Rp1 fitting connection, and an inside diameter and nominal width DN of 25 mm. Designed for in-line installation in any mounting position with an F04 or F05 flange hole pattern, this 2/2 valve handles media temperatures from -10 °C to 200 °C at a nominal pressure PN of 63 and a flow rate Kv of 71.5 m³/h based on DIN 3202-M3, EN 10226-1, and ISO 5211 norms. It accommodates compressed air, inert gas, water without vapor, and neutral liquids with reversible flow direction and an actuating torque of 17 Nm. Submit your exact part number, quantity, and application requirements to receive a quote for this component.
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 1686640. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.