AGA XZ0277 : LATEST

INSTALLATION
Load Survey to Determine Size and Type
   A. Sales or Purchase Contract
   B. Regulatory Body
Selection of Meter Type
   A. Pressure Consideration
   B. Capacity Consideration
Service Consideration
   A. Dry Gas Service
   B. Wet Gas Service
DIAPHRAGM DISPLACEMENT METER
Operation
Temperature Compensation
Capacity
ROTARY DISPLACEMENT METERS
Operation
Capacity
OPERATION OF LARGE CAPACITY DISPLACEMENT METERS
General
Periodic Tests and Change Program
Low-Rate Tests
GAS VOLUME CALCULATIONS
General (Supercompressibility Included)
Clock-Driven Volume and Pressure Recorder
Index-Driven Volume and Pressure Recorder
Volume, Pressure and Temperature Recorder
Integrating Pressure Instrument
Integrating Pressure and Temperature Instruments
Telemetering of Measured Volumes in System Control
INSTALLATION PRACTICES
Site
Typical Installations
Installations of Meters
OPERATION OF AUTOMATIC STATIONS
Differential Control
Selection of Orifice for Set Points
Switchover
Low Pressure Loss System
   A. Adjustments
   B. Operation
Single Pressure Loss System
   A. Adjustments
   B. Operation
Two Stage Regulation System
   A. Adjustments
   B. Operation

Defines information relating to current industry practices and available equipment, as well as acceptable procedures for installing, testing, operating and maintaining large-capacity diaphragm and rotary displacement meters.