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 1686663 is a mechanical 2-way ball valve featuring a soft sealing principle, an inside diameter of 16 mm, and a nominal width DN of 15 configured for 2/2 valve function. Built for in-line installation with weld-on ends and an F03 or F04 flange hole pattern, this component operates at a nominal pressure PN of 63 with an actuating torque of 10 Nm across a medium temperature range of -10 °C to 200 °C. It accommodates compressed air, inert gas, water, and neutral liquids through a reversible flow direction with a flow rate Kv of 19.4 m³/h, based on DIN 3202-S13 and ISO 5211 norms. Submit the exact part number, quantity, and application requirements to receive 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 1686663. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.