Festo VFOF-LE-BAH-G14-Q8
One-way flow control valve
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Festo VFOF
| Valve function | Exhaust air one-way flow control function |
| Standard nominal flow rate in flow control direction | 590 l/min |
| Standard nominal flow rate in blocked direction | 310 l/min - 540 l/min |
| Pneumatic connection, port 1 | QS-8 |
Item Number:
VFOF-LE-BAH-G14-Q8
Delivery standard: 3-6 weeks, depending on the country.
Condition: new
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Festo VFOF One-way flow control valve.
VFOF-LE-BAH-G14-Q8 Datasheet:
| Valve function | Exhaust air one-way flow control function |
| Selection of additional functions | Actuated non-return valve |
| Pneumatic connection, port 1 | QS-8 |
| Pneumatic connection, port 2 | G1/4 |
| Type of actuation | Manual |
| Pilot air port 21 | QS-8 |
| Adjustment component | Internal hexagon |
| Type of mounting | Screw-in |
| Standard nominal flow rate in flow control direction | 590 l/min |
| Standard nominal flow rate in blocked direction | 310 l/min ... 540 l/min |
| Operating pressure | 0.02 MPa ... 1 MPa |
| Operating pressure | 0.2 bar ... 10 bar |
| Operating pressure | 2.9 psi ... 145 psi |
| Pilot pressure | 0.2 MPa ... 1 MPa |
| Pilot pressure | 2 bar ... 10 bar |
| Pilot pressure | 29 psi ... 145 psi |
| Ambient temperature | -10 °C ... 60 °C |
| Material housing | PBT |
| Explosion protection | Zone 2 (ATEX)Zone 22 (ATEX) |
| Mounting position | optional |
| Type act., cont. n.-r. func. | Pneumatic |
| Manual exhaust function | Non-detenting |
| Symbol | 00991958 |
| Rotatability | 360°/no continuous swivelling permissible |
| Operating pressure complete temperature range | 0.02 MPa ... 1 MPa |
| Operating pressure complete temperature range | 0.2 bar ... 10 bar |
| Operating pressure complete temperature range | 2.9 psi ... 145 psi |
| 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 0.6->0 MPa (6->0 bar, 87->0 psi) actuated | 830 l/min ... 1000 l/min |
| Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi) non-actuated | 840 l/min ... 1000 l/min |
| Standard nominal flow rate in non-return direction actuated | 315 l/min ... 540 l/min |
| Standard nominal flow rate in non-return direction non-actuated | 310 l/min ... 540 l/min |
| Switching time off | 11 ms |
| Switching time on | 8 ms |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) |
| LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Media temperature | -10 °C ... 60 °C |
| Pilot medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Nominal torque | 10 Nm |
| Tolerance for nominal tightening torque | ± 20% |
| Permissible actuation moment, regulating screw | 1 Nm |
| Product weight | 73.9 g |
| Material covering | ES-BE |
| Note on materials | RoHS-compliant |
| 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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