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 8191877 is a pneumatic 2-way soft-sealed ball valve featuring a quarter-turn actuator and an in-line installation design with EN 1092-1 flange connections. It operates within a nominal pressure rating of PN 40 and an operating pressure range of 0.55 MPa to 0.8 MPa, accommodating fluid temperatures from -10 °C to 200 °C with a flow rate Kv of 19.4 m³/h. Designed with an F0304 flange hole pattern and reversible flow direction, this component supports compressed air, inert gas, water without vapor, and neutral liquids. Submit the exact part number, quantity, and application requirements to request 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 8191877. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.