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F L O W
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M O N I T O R S
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MAX FLOW SIZES
FROM 15 TO 160 GPM
(60 TO 600 LPM)

MAX LIQUID PRESSURE FROM
100 TO 200 PSI (6.90 TO 13.79 BAR) t

MX SERIES

L
®

Flow meters,
Flow switches and
Flow transmitters
F L O W

M O N I T O R S

A Medium Vane-Style
For Corrosive Fluids
CSA Certified NRTL/C
CE Marked (as noted)
NIST Traceable Calibration
Certificate Available

DESCRIPTION
These variable-area flow meters
have a spring-loaded swinging
vane. Mounting is in-line and in
any position. Straight pipe runs,
before or after the meter, are not
required. The all-mechanical
sensing system directly drives
the pointer and remote signaling
devices.
CALIBRATION
All flow meters are individually calibrated for fluids with the viscosity
you specify (up to 3000 SSU (650
Centistokes). We compensate
for your fluid's specific gravity. For
NIST Traceability please consult
factory.
OUTPUTS
The flowmeter has outputs both visual and electronic. Visual displays
are either pointer (with inscribed
scale) or numeric. Signal outputs
can be mechanical switch closure,
4-20 mA analog or both (for signal
redundancy). The switches can

MX Series

MX081512 t

MX shown with "A"
style control box.

be general purpose or rated for
hazardous locations (all classes,
groups and divisions). The 4-20 mA
transmitters are Intrinsically Safe if
used with approved barriers.
CONSTRUCTION MATERIALS
These flowmeters have plastic
bodies, a wide variety of metal
internals, and fittings. They are
ideally suited to monitor flows
of such fluids as corrosive
liquids,seawater, deionized water,
acids,caustics, and plating solutions. See selections in the “How to
Order”section.
LINE CONNECTION
Threaded units have 2 ½ inch -12
SAE ports. Adapters are used to offer NPT female port connections in
a variety of materials and sizes (see
“How to Order” section). Van Stone
flanges are offered in a variety of
sizes in PVC.

C
D

A

F
G

B

E

Fluid enters at A, passes
around the semi-circular
vane B, exits at outlet C.
The vane resists the flow
because of the spring D.
The further the
vane is pushed the
larger the passageway E
becomes. This minimizes the increase in
pressure drop. The
vane shaft turns to
operate the pointer F
and remote signal
devices such as the
switch G.

Viton® and Kalrez™ are registered trademarks
for DuPont Performance Elastomers.

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