Festo AG & Co. KG

8068734
one-way flow control valve
VFOE-LE-T-R18-Q4

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Festo Data sheet

CriterionFeature
Valve functionOne-way flow control function for exhaust air
Pneumatic connection, port 1QS-4
Pneumatic connection, port 2R1/8
Type of actuationmanual
Adjusting elementRotary knob with lock
Mounting typeThreaded
Standard nominal flow rate in flow control direction150 l/min
Standard nominal flow rate in non-return direction90 - 150 l/min
Ambient temperature-10 - 60 °C
Material housingPBT
Assembly positionAny
Width across flats13 mm
Ability to swivel360° / no continuous swivelling permissible
Operating pressure for entire temperature range0,02 - 1 MPa
Operating pressure complete temperature range0,2 - 10 bar
Operating pressure for entire temperature range2,9 - 145 psi
Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0 psi)250 l/min
Standard flow rate in non-return direction at 0.6->0 MPa (6->0 bar, 87->0 psi)240 - 300 l/min
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)
PWIS conformityVDMA24364 zone III
Medium temperature-10 - 60 °C
Product weight9,5 g
Materials noteConforms to RoHS
Material coverPBT
Material of dynamic sealsHNBR
Material threaded boltGalvanised steel
Material release ringPBT
Material static sealsNBR

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