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CalculationReport FT-517001

The document is a calculation report for the Rosemount™ 485 Annubar™ Primary Element, detailing specifications for a customer application involving water flow measurement. It includes general data, product description, input data, calculated data, and guidelines for operation. Key flow rates and pressure conditions are provided along with warnings regarding the responsibility of the purchaser for process parameter analysis.

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marcelo737
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24 views1 page

CalculationReport FT-517001

The document is a calculation report for the Rosemount™ 485 Annubar™ Primary Element, detailing specifications for a customer application involving water flow measurement. It includes general data, product description, input data, calculated data, and guidelines for operation. Key flow rates and pressure conditions are provided along with warnings regarding the responsibility of the purchaser for process parameter analysis.

Uploaded by

marcelo737
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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ROSEMOUNT INC.

Rosemount™ 485 Annubar™ Primary Element


CALCULATION REPORT
GENERAL DATA
Customer: EMERSON PROCESS MANAGEMENT LTDA
P. O. No:
S. O. No: 23981190
Tag No:
Application Name: FT-517001
Product Advisor ID: R648494
Calculation Date: 24-Feb-2025
Model No: 3051CFADL300ZCHFS2A1D0031AA1RHQ8BLEM6Q4
PRODUCT DESCRIPTION
Annubar Type: Flanged with opposite side support Line Size: 850 mm
Sensor Size: 2
Primary Element Material: 316 Stainless Steel Flow Direction: Horizontal
Mounting Material: Carbon Steel (A105) Transmitter Connection: Direct Mount
Welded Opposite Side
Mounting Type: Class 150 Raised Face Opposite Side Support:
Support - Extended Tip
Isolation valve: Not Applicable or Customer Supplied
INPUT DATA
Fluid Type: Liquid
Fluid Name: Water
Pipe I.D. (Span): 812.8 mm
Wall: 6.400 mm

Normal Operating Conditions


Pressure: 1.5 kg/cm2-g
Temperature: 30 C
Density: 62.161 lb/ft3
Compressibility:
Isentropic Exponent: 1.0 Atmospheric Pressure: 14.696 psia
Absolute Viscosity: 0.79722 cP

Flow Rates
Minimum: 700 m3/hr (ACMH)
Normal: 900 m3/hr (ACMH)
Maximum: 2000 m3/hr (ACMH)
Full Scale: 2000 m3/hr (ACMH)
CALCULATED DATA (Calculation Performed at Normal Conditions)
DP at Min Flow: 0.002 bar Flow Coefficient: 0.61742
DP at Normal Flow: 0.003 bar Rod Reynolds Number (Minimum): 12601.21554
DP at Max Flow: 0.015 bar Rod Reynolds Number (Normal): 16201.56284
DP at Full Scale Flow: 0.015 bar Gas Expansion Factor: 1.0
Resonant Frequency: 74.511 Hz Permanent Pressure Loss:
Wake Frequency: 3.578 Hz at Normal Flow: 0.000 bar
Blockage: 0.04218 at Full scale flow: 0.000 bar
Velocity at Full Scale Flow: 1.0 m/sec

GUIDELINES
Structural Limit (Flow): 8340.250 m3/hr (ACMH) Primary Element Min Limit of Use: 694.377 m3/hr (ACMH)
Recommended Min Rod Reynolds
Structural Limit (DP): 0.260 bar 12500
Number:
0.0006216
Recommended Min DP: bar
05
Max. Allow. Pressure@Design Temp 18.9688 kg/cm2-g Max. Allow. Temp.:
Design Pressure/Temperature: 2 kg/cm2-g 45 C Min. Allow. Temp.:

WARNINGS

NOTES
23981190
It is the purchasers sole responsibility to make a careful analysis of all process parameters (such as all chemical components, temperature, pressure, flow rate,
abrasives, contaminants, etc.), when specifying product materials, options, and components for the particular application. Emerson is not in a position to
evaluate or guarantee the compatibility of the process fluid or other process parameters with the product options.
Printed On: 24-Feb-2025

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