Festo AG & Co. KG
1927030
one-way flow control valve
VFOF-LE-BAH-G14-Q8
More detailed information about this product!
Festo Data sheet
Criterion | Feature |
Valve function | One-way flow control function for exhaust air |
Pneumatic connection, port 1 | QS-8 |
Pneumatic connection, port 2 | G1/4 |
Type of actuation | manual |
Pilot air port 21 | QS-8 |
Adjusting element | Internal hex |
Mounting type | Threaded |
Standard nominal flow rate in flow control direction | 590 l/min |
Standard nominal flow rate in non-return direction | 310 - 540 l/min |
Operating pressure | 0,2 - 10 bar |
Pilot pressure | 2 - 10 bar |
Ambient temperature | -10 - 60 °C |
Material housing | PBT |
Assembly position | Any |
Type of actuation, controlled non-return function | pneumatic |
Manual exhaust function | Pushing |
Ability to swivel | 360° / no continuous swivelling permissible |
Operating pressure complete temperature range | 0,2 - 10 bar |
Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0 psi) | 940 l/min |
Standard flow rate in non-return direction at 0.6->0 MPa (6->0 bar, 87->9 psi) actuated | 830 - 1000 l/min |
Standard flow rate in non-return direction at 0.6->0 MPa (6->0 bar, 87->0 psi) not actuated | 840 - 1000 l/min |
Standard nominal flow rate in non-return direction, actuated | 315 - 540 l/min |
Standard nominal flow rate in non-return direction, unactuated | 310 - 540 l/min |
Switching time off | 11 ms |
Switching time on | 8 ms |
Operating medium | Compressed air in accordance with ISO8573-1:2010 [7:4:4] |
Note on operating and pilot medium | Lubricated operation possible (subsequently required for further operation) |
Medium temperature | -10 - 60 °C |
Pilot medium | Compressed air in accordance with ISO8573-1:2010 [7:4:4] |
Nominal tightening torque | 11 Nm |
Tolerance for nominal tightening torque | ± 20 % |
Permissible actuation moment, regulating screw | 1 Nm |
Product weight | 73,9 g |
Material of cover | ES-BE |
Materials note | Conforms to RoHS |
Material cover | PBT |
Material seals | NBR |
Material hollow bolt | Wrought Aluminium alloy |
Material sleeve | Wrought Aluminium alloy |
Material release ring | POM |
Material adjusting screw | Brass |
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