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 8191837 is a 2-way pneumatic ball valve featuring a quarter-turn actuator, a nominal width DN of 20, and a 2/2 valve function with weld-on ends for in-line installation in any mounting position. It operates within a pressure range of 0.55 MPa to 0.8 MPa (5.5 bar to 8 bar) and handles medium temperatures from -10 °C to 200 °C with a Kv flow rate of 45.6 m³/h, utilizing soft sealing based on DIN 3202-S13 and ISO 5211 norms. Compatible with compressed air, inert gas, water, and neutral liquids, this unit requires an F0304 flange hole pattern and a breakaway torque of 14 Nm at nominal pressure PN 63. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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 8191837. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.