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 8191838 is a 2-way pneumatic ball valve featuring a quarter-turn actuator, soft sealing principle, and weld-on ends for in-line installation in any mounting position. Based on DIN 3202-S13 and ISO 5211 norms with an F0405 flange hole pattern, this 2/2 valve handles a nominal pressure PN of 63, a nominal width DN of 25, and an operating pressure ranging from 0.55 MPa to 0.8 MPa. It accommodates a medium temperature of -10 °C to 200 °C, achieves a Kv flow rate of 71.5 m³/h, and requires a breakaway torque of 17 Nm at nominal pressure. Submit the exact part number, quantity, and application requirements to receive 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 8191838. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.