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 part number 8193267 is an industrial component featuring an exhaust air flow control non-return function with a piloted check valve and QS-6 pneumatic connections for port 1, port 2, and pilot air port 21. This device provides a standard nominal flow rate of 240 l/min in the flow control direction and 400 l/min to 460 l/min in the non-return direction, operating up to 1 MPa, 10 bar, or 145 psi with a PBT housing certified for ATEX Zone 2 and Zone 22 explosion protection. It includes manual non-detenting exhaust actuation and pneumatic actuation for the piloted non-return function across an ambient temperature range of -10 °C to 60 °C in any mounting position. 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 8193267. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.