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Emerson Rosemount 8800D Series Vortex Flowmeter For Process Applications

Emerson Rosemount 8800D Series Vortex Flowmeter For Process Applications
Rosemount 8800 Series Vortex Flow Meters offer world-class reliability with a gasket-free, non-clog meter body that eliminates potential leak points, resulting in maximum process availability and fewer unscheduled shutdowns. The unique design of Emerson's Rosemount 8800 Vortex Flow Meters features isolated sensors that eliminate the need to break process seals for flow and temperature sensor replacement.
Product Details:


Product Description


Rosemount 8800 Series Vortex Flow Meters offer world-class reliability with a gasket-free, non-clog meter body that eliminates potential leak points, resulting in maximum process availability and fewer unscheduled shutdowns. The unique design of Emerson's Rosemount 8800 Vortex Flow Meters features isolated sensors that eliminate the need to break process seals for flow and temperature sensor replacement.

Specifications

Flow Meter Accuracy

± 0.65% of volumetric rate for liquids
± 1% of volumetric rate for gas and steam
± 0.70% of mass flow rate in water using MultiVariable option
± 2% of mass flow in steam using MultiVariable option

Turndown

38:1

Output

4-20 mA with HART® 5 or 7
4-20 mA with HART® 5 or 7 and Scalable Pulse Output
FOUNDATION; fieldbus ITK6 with 2 Analog Input blocks, 1 Backup Link Active Scheduler function block, and 1 Integrator function block (1 PID function block optional)

Wetted Material

Stainless Steel – 316 / 316L and CF3M
Nickel Alloy – C-22 and CW2M
High Temp Carbon Steel – A105 and WCB
Low Temp Carbon Steel – LF2 and LCC
Duplex UNS S32760 and 6A
Consult factory for other wetted material options

Flange Options

ANSI Class 150 to 1500
DIN PN 10 to PN 160
JIS 10K to 40K
Flanges are available in a variety of facings
Consult factory for additional flange ratings

Operating Temperatures

-330°F to 842°F (-200°C to 450°C)

Line Size

Flanged: ½-in to 12-in (15 to 300 mm)
Wafer: ½-in to 8-in (15 to 200 mm)
Dual: ½-in to 12-in (15 to 300 mm)
Reducer: 1-in to 14-in (25 to 350 mm)

Features

The unique isolated sensor design allows for replacement without breaking the process seal

Increase plant availability and reduce potential leak points with a gasket-free meter body with no moving parts

Eliminate downtime and maintenance costs associated with plugged impulse lines with a non-clog meter body design

Achieve vibration immunity with a mass balanced sensor and Adaptive Digital Signal Processing with visual filtering

A standard internal signal generator included in every meter simplifies electronics verification

All meters arrive pre-configured and hydrostatically tested, making them ready and easy to install

Simplify SIS compliance with available dual and quad Vortex flow meters

Detect liquid to gas phase change using Smart Fluid Diagnostics

Learn About

VON KÁRMÁN EFFECT

Vortex flow meters measure fluid velocity using a principle of operation referred to as the von Kármán effect, which states that when flow passes by a bluff body, a repeating pattern of swirling vortices is generated.

In a Vortex flow meter, an obstruction in the flow path, often referred to as a shedder bar, serves as the bluff body. The shedder bar causes process fluid to separate and form areas of alternating differential pressure known as vortices around the back side of the shedder bar.

FLOW MEASUREMENT

The vortices cause a small sensing element either behind or within the shedder bar to oscillate back and forth at a specific frequency. The velocity of the working fluid is directly proportional to this frequency of the vortices generated by the shedder bar’s unique geometry. With the known cross sectional area of the pipe, volumetric flow can be calculated.

Often Vortex flow meters will also utilize a pressure and/or temperature sensor to achieve a compensated mass flow measurement.

COMMON USES

Vortex flow meters are well suited for a variety of applications across a wide range of industries including oil and gas, refining, chemical and petrochemical, and food and beverage. Vortex flow meters also excel in steam-related applications including steam injection and steam measurement for district energy systems and industrial plants.

SAFETY

For safety-related measurement in SIS applications, dual and quad Vortex flow meters with redundant, independent sensors and electronics are critical for the prevention of common modes of failure and spurious shutdowns. The non-clog, leak-free Vortex flow meter design is ideal in hazardous chemical applications, especially where fugitive emissions are a concern.


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