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
This Festo 8191899 industrial component features a 2-way ball valve with a quarter-turn pneumatic actuator and a soft sealing principle for reversible flow directions. Designed for in-line installation with a 1 NPT fitting connection, an F0405 flange hole pattern, and a DN 25 nominal width, it operates at pressures from 0.55 MPa to 0.8 MPa and medium temperatures between -10 °C and 200 °C with a Kv flow rate of 94 m³/h. Submit the exact part number, quantity, and application requirements for 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 8191899. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.