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 8191934 is an industrial 2-way ball valve featuring a quarter turn pneumatic actuator and a soft sealing principle for in-line installation in any mounting position. Built with an Rp2 1/2 fitting connection, an F07 flange hole pattern, and a nominal width DN of 63, this 2/2 reversible flow valve operates at a nominal pressure PN of 25 and an operating pressure range of 0.55 MPa to 0.8 MPa. It handles a flow rate Kv of 535 m³/h across a medium temperature range of -10 °C to 200 °C, utilizing compressed air, inert gas, water without water vapor, or neutral liquids. Submit the exact part number, quantity, and application requirements for 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 8191934. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.