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 8191804 is an industrial pneumatic 2-way ball valve featuring a quarter-turn actuator, soft sealing principle, and a nominal width DN of 20 with Rp3/4 fitting connections. Engineered for reversible flow direction and any mounting position, this unit operates within a pressure range of 0.55 MPa to 0.8 MPa and handles medium temperatures from -10 °C to 200 °C with a Kv flow rate of 45.6 m³/h. It supports compressed air, inert gas, water, and neutral liquids, exhibiting a breakaway torque of 14 Nm at nominal pressure PN 63 based on DIN 3202-M3, EN 10226-1, 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 8191804. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.