Flowmetering

Vortex flowmeters

Fluid types

Liquid, gas or steam

Available size range

DN25 to DN300 (1" to 12")

Process temperature limit

-40°C to 400°C (-40°F to 750°F)

Process pressure

Flange

ASME Class 150, ASME Class 300 or ASME Class 600

PN16, PN40 or PN64

ASME 600 and PN64 flanges are available for use on

the following pipeline sizes 25 mm to 200 mm (1" to 8")

Wafer

All wafer bodies are rated based on an appropriate

flange rating to a maximum of ASME Class 600

or PN64

Enclosure specifications

Approved for NEMA 4X watertight and dust tight

requirements

Ambient humidity limit

5 – 95% RH non-condensing

Power requirements

10 – 28 Vdc, 24 Vdc nominal, 2 amps

Ambient temperature limit

Normal

-20°C to 60°C (-5°F to 140°F)

Cable conduit connection

ASME 3⁄4" female NPT.

Signal cable

DIN PG 13.5

18, 20 or 22 gauge, shielded instrumentation cable

Measurable flow velocities

Liquid

0.46 to 9.75 m/sec (1.5 to 32 ft/sec)

Process temperature °F

Operating specifications

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Fig. 2

Ambient temperature range for

integral and remote mounted electronics

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Gas / steam

Where:

74

to 79 m / sec

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it is part of the formula for gas/steam not a

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Process viscosity

For minimum linear flow velocities at varying

viscosities (See Figure 3)

Linear range

Reynolds Numbers of 20 000 to 7 000 000

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TI-P338-26 MI Issue 4

VLM10 In-line Vortex Mass Flowmeter

Page 3 of 11

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