Festo One-way flow control valve VFOF-LE-BAH-G14-Q8

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Description

Festo One-way flow control valve VFOF-LE-BAH-G14-Q8

  • 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: 0.2 bar … 10 bar
  • Pilot pressure: 2 bar … 10 bar
  • Ambient temperatur: e-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: 0.2 bar … 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 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: Bras