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Festo
8068740
One-way flow control valve VFOE-LE-T-R38-Q8
The Festo 8068740 is an industrial component featuring an exhaust air flow control non-return function with a QS-8 pneumatic connection 1 and an R3/8 pneumatic connection 2. Featuring manual actuation via a rotary knob with latch and a PBT housing material, this screw-in unit operates within a temperature range of -10 °C to 60 °C and supports operating pressures from 0.02 MPa to 1 MPa. It provides a standard nominal flow rate of 720 l/min in the flow control direction and is certified for ATEX zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements for a formal quote.
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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.
- Manufacturer
- Festo
- Part number
- 8068740
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 8068740.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- Exhaust air ow control non-return function
- Pneumatic connection 1
- QS-8
- Pneumatic connection 2
- R3/8
- Actuation type
- Manual
- Adjusting element
- Rotary knob with latch
- Type of mounting
- Screw-in
- Standard nominal ow rate in ow control direction
- 720 l/min
- Standard nominal ow rate in non-return direction
- 600 l/min...900 l/min
- Ambient temperature
- -10 °C...60 °C
- Housing material
- PBT
- Explosion prevention and protection
- Observe the information on the certicate | Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
- Mounting position
- Any
- Width across ats
- 21 mm
- Rotatability
- 360 deg/continuous swiveling not permissible
- Operating pressure for entire temperature range
- 0.02 MPa...1 MPa | 0.2 bar...10 bar | 2.9 psi...145 psi
- Standard ow rate in ow control direction 6 -> 0 bar
- 1150 l/min
- Standard ow rate in non-return direction at 6 -> 0 bar
- 1300 l/min...1500 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- LABS (PWIS) conformity
- VDMA24364 Zone III
- Cleanroom suitability, measured according to ISO 14644-14
- Class 4 according to ISO 14644-1
- Temperature of medium
- -10 °C...60 °C
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 8068740. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.