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 industrial component part number 8068751 is a supply air flow control non-return valve featuring a QS-6 pneumatic connection 1 and an R1/8 pneumatic connection 2. This device utilizes manual actuation via a rotary knob with a latch, features a PBT housing, and supports screw-in mounting in any position with a 13 mm width across flats. It operates within an ambient temperature range of -10 °C to 60 °C and an operating pressure range of 0.02 MPa to 1 MPa, utilizing compressed air as per ISO 8573-1:2010 [7:4:4] with oil lubrication operation possible. Certified for ATEX Zone 1, Zone 2, Zone 21, and Zone 22, it provides a standard nominal flow rate of 170 l/min in the flow control direction and 110 l/min to 200 l/min in the non-return direction. 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 8068751. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.