Flow Meter Installation & Application Considerations

Flow Meter InstallationFlow Meter Installation

&&

ApplicationApplication

ConsiderationsConsiderations

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Sage Flow Meter

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Perfectly Built

Perfectly Calibrated

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Application Application ConsiderationsConsiderations

BASIC THEORY of FLOWBASIC THEORY of FLOWSTRAIGHT RUNSSTRAIGHT RUNS

CONDITIONS TO AVOIDCONDITIONS TO AVOIDINSERTION vs INLINE METERSINSERTION vs INLINE METERS

FLOW CONDITIONINGFLOW CONDITIONING

Basic Theory Basic Theory IN A PERFECT WORLDIN A PERFECT WORLD

FIELD CONDITIONSFIELD CONDITIONS

EQUALEQUAL

CALIBRATION CONDITIONSCALIBRATION CONDITIONS

APPLICATION CONDITIONSAPPLICATION CONDITIONS GAS CONSTITUENTSGAS CONSTITUENTS

NON-CONDENSINGNON-CONDENSING

PIPE IDPIPE ID

TYPE OF PIPETYPE OF PIPE

UPSTREAM STRAIGHT RUNUPSTREAM STRAIGHT RUN

PROBE INSERTION DEPTHPROBE INSERTION DEPTH

1) PIPE SIZE

2) GAS

3) UPSTREAM STRAIGHT RUN

4) INSERTION DEPTH

1) PIPE SIZEa) As ordered and

calibrated?

b) Correct Pipe Schedule?

c) Correct for Velocities?

2) GAS


4) INSERTION DEPTH

1) PIPE SIZE

2) GASa) Correct Gas?

b) Correct % Constituents?

c) Moisture/Particles Present?


4) INSTALLATION DEPTH

1) PIPE SIZE

2) GAS


a) Disturbances

b) Multiple Disturbances

c) Fully Developed Flow


Velocity Profile in a RiverVelocity Profile in a River

1) PIPE SIZE

2) GAS



Velocity Profile in a PipeVelocity Profile in a Pipe

CenterCenterProbeProbein Pipein Pipe

Page 15

Sage

Prime

Manual

INSTALLATION DEPTH

Straight Run Straight Run RequirementsRequirements

ElbowsElbowsValvesValvesExpansionsExpansionsReductionsReductions

FLOW FLOW CONDITIONINGCONDITIONING

Captive Flow ConditionersCaptive Flow Conditioners

Captive Conditioners InstalledCaptive Conditioners Installed

Straight Run RequirementsStraight Run Requirements

DISTURBANCES

WITHOUT CONDITIONING

WITH SAGE CONDITIONING

9090oo Elbow Effect on Elbow Effect on Velocity ProfileVelocity Profile


One 90° Elbow

W/O CONDITIONING 15 to 25

WITH CONDITIONING 3

Two 90Two 90oo elbows – same plane elbows – same plane


Two 90° Elbows in the

same plane – within 3 diameters


WITH CONDITIONING 5

Two 90Two 90oo elbows different planes elbows different planes


Two 90° Elbows in

different planes – within 3 diameters


WITH CONDITIONING 9

4 to 1 4 to 1 reductionreduction


Reduction in flow area (4/1)

W/O CONDITIONING 15 to18

WITH CONDITIONING 3

4 to 1 4 to 1 expansionexpansion


Expansion in flow area (4/1)

W/O CONDITIONING 30 to 84WITH CONDITIONING 10

1) PIPE SIZE

2) GAS



ACFM vs SCFMACFM vs SCFM

Reference ConditionsReference Conditions

Pressure and Temperature effectsPressure and Temperature effects

PRESSURE = 1 ATM 1 SCFM (1 ACFM)PRESSURE = 1 ATM 1 SCFM (1 ACFM)

PRESSURE = 2 ATM 2 SCFM (1 ACFM)PRESSURE = 2 ATM 2 SCFM (1 ACFM)

PRESSURE = 3 ATM 3 SCFM(1ACFM)PRESSURE = 3 ATM 3 SCFM(1ACFM)

PRESSURE = 4 ATM 4 SCFM(1ACFM)PRESSURE = 4 ATM 4 SCFM(1ACFM)

ElectromagneticElectromagnetic&&

Radio FrequencyRadio Frequency

INTERFERENCEINTERFERENCE(EMI / RFI)(EMI / RFI)

Cummins Gen-SetCummins Gen-Set

VFD

Walkie Talkie

EMI / RFI INTERFERENCEEMI / RFI INTERFERENCE

ConductedConductedSignal Wires (4-20mA)Signal Wires (4-20mA)Power CablesPower CablesGround ConnectionsGround Connections

Typical Solution: Ferrite BeadsTypical Solution: Ferrite Beads


CoupledCoupled

Components with mutual Components with mutual impedanceimpedance

Can occur between two Can occur between two circuits that are not normally circuits that are not normally connected.connected.


RadiatedRadiated

Openings of any kindOpenings of any kindin Enclosuresin Enclosures

Openings of any kindOpenings of any kindin Conduits or Cablesin Conduits or Cables

Typical Solutions: 1) Metal EnclosureTypical Solutions: 1) Metal Enclosure 2) Shielded cable or conduit2) Shielded cable or conduit


Best Avoided by using Best Avoided by using →→

1) Metal Enclosures with CE Approval1) Metal Enclosures with CE Approvala) Primea) Primeb) Riob) Rio

2) Shielded conduits2) Shielded conduits

3) Ferrite Beads3) Ferrite Beads

Application SummaryApplication Summary GAS CONSTITUENTSGAS CONSTITUENTS

NON-CONDENSINGNON-CONDENSING

PIPE IDPIPE ID

TYPE OF PIPETYPE OF PIPE

UPSTREAM STRAIGHT RUNUPSTREAM STRAIGHT RUN

PROBE INSERTION DEPTHPROBE INSERTION DEPTH

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Flow Meter Installation & Application Considerations

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