8068739

Name: Festo 8068739 One-way flow control valve VFOE-LE-T-R14-Q10
Brand: Festo

One-way flow control valve VFOE-LE-T-R14-Q10

The Festo 8068739 is an industrial component featuring an exhaust air flow control non-return function with a QS-10 pneumatic connection 1 and an R1/4 pneumatic connection 2. It utilizes manual actuation via a rotary knob with latch, features a PBT housing, and supports screw-in mounting in any position. Operating pressure spans from 0.02 MPa to 1 MPa across an ambient temperature range of -10 °C to 60 °C, while meeting ATEX Zone 1, 2, 21, and 22 explosion protection standards. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Festo
Part number: 8068739
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Technical Specifications

Valve function: Exhaust air ow control non-return function
Pneumatic connection 1: QS-10
Pneumatic connection 2: R1/4
Actuation type: Manual
Adjusting element: Rotary knob with latch
Type of mounting: Screw-in
Standard nominal ow rate in ow control direction: 500 l/min
Standard nominal ow rate in non-return direction: 370 l/min...500 l/min
Ambient temperature: -10 °C...60 °C
Housing material: PBT
Explosion prevention and protection: Observe the information on the certicate | Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
Mounting position: Any
Width across ats: 16 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: 810 l/min
Standard ow rate in non-return direction at 6 -> 0 bar: 750 l/min...900 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

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Our sourcing response is prepared against Festo 8068739. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.