AGA XQ0381
AGA XQ0381 Gas Measurement Manuals - Part 14: Meter Repair And Selection Defines meter testing and repair, handling, quality control, metering economics, meter shop design, meter selection and purchase specifications.
Table of Contents
SECTION14.1-METERTESTINGANDREPAIRGeneral
DiaphragmMeters
PrincipleofOperation
TemperatureCompensatedMeters
Intest
FlowRate
MinimumTestVolume
EquipmentUsed
TestCalculations
BellProver
TestingwithMasterMeter
LeakTest
Doesn'tPassGas
Doesn'tRegister
CauseofFastMeter
CauseofSlowMeter
CauseofHighDifferential
OKRepair
MeterRepairFlowChart
SlowMotionTables
AdjustRepair
PartialRepair
GeneralRepair
RediaphragmRepair
OutTest
RotaryMeters
PrincipleofOperation
Intest
DifferentialTest
DifferentialCurve
MinorRepairs-Flushing
PartsReplacement
AccessoryHead
AccessoryHeadCalibration
TurbineMeters
PrincipleofOperation
TurbineMeterCrossSection
Proving
SpinTest
Repair
CaseLeakTesting
CleaningandPainting
SECTION14.2-METERHANDLING
General
ShopHandling
ManualHandling
StackingMeters
MechanicalHandling
MeterTestStands
TemperatureExposure
Pressurization
DamagebyChemicalsandAbrasives
IndexFaceDamage
InternalCorrosion
PhysicalTests,TincaseandHardcaseMeters
FieldHandling
Transportation
Manufacturers'PracticesandRecommendations
SECTION14.3-QUALITYCONTROL
Introduction
SamplingInspection
Introduction
Sampling
Lot-by-LotSamplingInspectionbyVariables
Introduction
SampleSize
ContinuousSampling
ControlCharts
Introduction
Sampling
TypesofControlCharts
XandRCharts
p(FractionDefective)Charts
ContinuingthepChart
SubgroupSize
c(DefectsperUnit)Charts
Bibliography
SECTION14.4-METERINGECONOMICS-REPAIRORREPLACE
Introduction
Scope
Background
Parameters
SimplifiedAnalysisofRepairvs.Replacement
ComputerizedAnalysisofRepairvs.Replacement
SECTION14.5-METERSHOPDESIGN
Introduction
DesignConceptOutline
SelectionofFacilitySite
GeneralBuildingDesign
SpecificBuildingDesign
LoadRequirements
SpaceRequirements
WorkpieceFlowPattern
WorkpieceTransportationRoutes
WorkStationEquipment
ConsiderationsforEquipmentSelection
Back-upSystems
AdditionalSpaceRequirements
FinalDeterminations
SECTION14.6-METERSELECTION
Introduction
TypesofCommercialMeters
DisplacementMeters
DiaphragmMeters
RotaryLobedImpellerMeters
RotatingVaneMeters
VelocityMeters
OrificeMeters
TurbineMeters
MeterSelectionFactors
GasProperties
MeterCharacteristics
InstallationFactors
EconomicFactors
LoadSurveyInformation
SECTION14.7-METERPURCHASINGSPECIFICATION
Introduction
SpecificationSources
GeneralSpecifications
DetailedSpecifications
InspectionandAcceptanceSpecifications