8193268

Name: Festo 8193268 One-way flow control valve VFOF-CE-BAH-Q4-Q4
Brand: Festo

One-way flow control valve VFOF-CE-BAH-Q4-Q4

The Festo part number 8193268 is an industrial component featuring an exhaust air flow control non-return function combined with a piloted check valve. Constructed with a PBT housing and equipped with QS-4 pneumatic connections for connection 1, connection 2, and pilot air port 21, it supports an operating pressure up to 1 MPa (10 bar / 145 psi) and a pilot pressure range of 2 bar to 10 bar (29 psi to 145 psi). This unit provides a standard nominal flow rate of 120 l/min in the flow control direction, 210 l/min in the non-return direction, and operates within an ambient temperature range of -10 °C to 60 °C with ATEX Zone 2 and Zone 22 explosion protection. Submit the exact part number, quantity, and application requirements for a quote.

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Manufacturer: Festo
Part number: 8193268
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Technical Specifications

Valve function: Exhaust air ow control non-return function
Selection of additional function: Piloted check valve
Pneumatic connection 1: QS-4
Pneumatic connection 2: QS-4
Actuation type: Manual
Pilot air port 21: QS-4
Standard nominal ow rate in ow control direction: 120 l/min
Standard nominal ow rate in non-return direction: 210 l/min
Operating pressure: 1 MPa | 10 bar | 145 psi
Pilot pressure MPa: 0.2 MPa...1 MPa
Pilot pressure: 2 bar...10 bar
Pilot pressure psi: 29 psi...145 psi
Ambient temperature: -10 °C...60 °C
Housing material: PBT
Explosion prevention and protection: Zone 2 (ATEX) | Zone 22 (ATEX)
Mounting position: Any
Actuation type, piloted non-return function: Pneumatic
Manual exhaust function: Non-detenting
Operating pressure for entire temperature range: 0.2 bar...10 bar
Standard ow rate in ow control direction 6 -> 0 bar: 200 l/min
Standard ow rate actuated in non-return direction 0.6->0 MPa (6->0: 210 l/min
Standard ow rate in non-return direction at 6 -> 0 bar unactuated: 210 l/min
Standard nominal ow rate in non-return direction actuated: 125 l/min
Standard nominal ow rate in non-return direction, unactuated: 115 l/min
Switching time oﬀ: 9 ms
On switching time: 6 ms
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4]
Information on operating and pilot media: Lubricated operation possible

Engineering context

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Our sourcing response is prepared against Festo 8193268. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.