One-way flow control valve

VFOE-LE-T-R18-Q4-F1A

Part number: 8157640

General operating condition

Data sheet

Feature

Value

Valve function

Exhaust air flow control non-return function

Pneumatic connection 1

QS-4

Pneumatic connection 2

R1/8

Actuation type

Manual

Adjusting element

Rotary knob with detent

Type of mounting

Screw-in

Standard nominal flow rate in flow control direction

150 l/min

Standard nominal flow rate in non-return direction

90 l/min ... 150 l/min

Ambient temperature

-10 °C ... 60 °C

Housing material

PBT

Explosion prevention and protection

Observe the information on the certificate

Zone 1 (ATEX)

Zone 2 (ATEX)

Zone 21 (ATEX)

Zone 22 (ATEX)

Mounting position

Any

Symbol

00991452

Width across flats

13 mm

Rotatability

360 deg/continuous swiveling not permissible

Variants

Metals with copper, zinc or nickel by mass as main constituent are

excluded from use. Exceptions are nickel in steel, chemically nickel-

plated surfaces, printed circuit boards, cables, electrical plug connectors

and coils.

Operating pressure for entire temperature range

0.02 MPa ... 1 MPa

Operating pressure for entire temperature range

0.2 bar ... 10 bar

Operating pressure for entire temperature range

2.9 psi ... 145 psi

Standard flow rate in flow control direction 6 -> 0 bar

250 l/min

Standard flow rate in non-return direction at 6 -> 0 bar

240 l/min ... 300 l/min

Operating medium

Compressed air as per ISO 8573-1:2010 [7:4:4]

Information on operating and pilot media

Operation with oil lubrication possible (required for further use)

LABS (PWIS) conformity

VDMA24364 zone III

Suitability for the production of Li-ion batteries

Metals with more than 1% by mass of copper, zinc or nickel are excluded

from use.The exceptions are nickel in steel, chemically nickel-plated

surfaces, circuit boards, cables, electrical plug connectors and coils

Cleanroom class

Class 4 according to ISO 14644-1

Temperature of medium

-10 °C ... 60 °C

10/23/24 - Subject to change - Festo SE & Co. KG

1/2