Festo AG & Co. KG

1927030
one-way flow control valve
VFOF-LE-BAH-G14-Q8

More detailed information about this product!

Festo Data sheet

CriterionFeature
Valve functionOne-way flow control function for exhaust air
Pneumatic connection, port 1QS-8
Pneumatic connection, port 2G1/4
Type of actuationmanual
Pilot air port 21QS-8
Adjusting elementInternal hex
Mounting typeThreaded
Standard nominal flow rate in flow control direction590 l/min
Standard nominal flow rate in non-return direction310 - 540 l/min
Operating pressure0,2 - 10 bar
Pilot pressure2 - 10 bar
Ambient temperature-10 - 60 °C
Material housingPBT
Assembly positionAny
Type of actuation, controlled non-return functionpneumatic
Manual exhaust functionPushing
Ability to swivel360° / no continuous swivelling permissible
Operating pressure complete temperature range0,2 - 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) actuated830 - 1000 l/min
Standard flow rate in non-return direction at 0.6->0 MPa (6->0 bar, 87->0 psi) not actuated840 - 1000 l/min
Standard nominal flow rate in non-return direction, actuated315 - 540 l/min
Standard nominal flow rate in non-return direction, unactuated310 - 540 l/min
Switching time off11 ms
Switching time on8 ms
Operating mediumCompressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation possible (subsequently required for further operation)
Medium temperature-10 - 60 °C
Pilot mediumCompressed air in accordance with ISO8573-1:2010 [7:4:4]
Nominal tightening torque11 Nm
Tolerance for nominal tightening torque± 20 %
Permissible actuation moment, regulating screw1 Nm
Product weight73,9 g
Material of coverES-BE
Materials noteConforms to RoHS
Material coverPBT
Material sealsNBR
Material hollow boltWrought Aluminium alloy
Material sleeveWrought Aluminium alloy
Material release ringPOM
Material adjusting screwBrass

© 2022 Festo AG & Co. KG