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Vertical Flow Sensors—FV4 Series - 4 / 4 Pages

Swagelok VCR—TM Swagelok Company
© 2002, 2004, 2008 Swagelok Company
Printed in U.S.A., GLI
February 2008, R7
MS-02-60-SCS
Safe Product Selection
When selecting a product, the total system design must
be considered to ensure safe, trouble-free performance.
Function, material compatibility, adequate ratings,
proper installation, operation, and maintenance are the
responsibilities of the system designer and user.
Caution: Do not mix or interchange parts with those of
other manufacturers.
Warranty Information
Swagelok products are backed by The Swagelok Limited
Lifetime Warranty. For a copy, visit swagelok.com or contact
your authorized Swagelok representative.
Ordering Information and Dimensions
Dimensions, in inches and (millimeters), are for reference only
and are subject to change.
For a complete ordering number, insert the actuation range
designator A, B, C, or D (see graphs on page 3) into the basic
ordering number.
Example: 6L-FV4A-S4
0.62
(15.7)
0.31
(7.9)
Dimensions shown with Swagelok tube fitting nuts finger-tight.
Accessories
Reed Switch Kit
Replacement switch kit includes switch assembly, retaining
ring, assembly tool, and assembly instructions.
Ordering number: MS-SRK-FV4
1.00
(25.4)
0.34
(8.6)
1.20 H
(30.5)
J hex
Oxygen Service Hazards
For more information about hazards and risks of oxygenenriched
systems, see the Swagelok Oxygen System Safety
technical report, MS-06-13.
End Connections
Basic
Ordering
Number
Dimensions
in. (mm)
Type Size H J
Swagelok
tube fittings
1/4 in. 6L-FV4__-S4 3.68
(93.4)
9/16
6 mm 6L-FV4__-S6M (14)
Male VCR®
fittings 1/4 in. 6L-FV4__-VR4
3.10
(78.7)

Female to
male VCR
fitting
1/4 in. 6L-FV4__-FR4-VR4 3/4
Tube
extensions
1/4 ðs 0.035 in. 6L-FV4__-T4A 3.19
(81.0)

6 ðs 1 mm 6L-FV4__-T6MA

Vertical Flow Sensors—FV4 Series
  1. P. 1

    www.swagelok.comVer t ical Flow SensorsFV4 Ser ies¡ Senses increasing or decreasing flow in gas systems¡ Actuates an electrical switch at a predetermined...
  2. P. 2

    FV4 Series Flow SensorsMaterials of Construction1234567 OperationThe Swagelok FV4 series flow sensor contains a float with a calibrated orifice thatmoves...
  3. P. 3

    FV4 Series Flow SensorsSizing to Sense Increasing FlowSize the float to actuate the switch after flow exceeds themaximum rate.Example:Nitrogen process...
  4. P. 4

Text version

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