AGA XQ199902 : 1999
Current
The latest, up-to-date edition.
GUIDELINES FOR USING HIGH DIFFERENTIAL PRESSURES FOR MEASURING NATURAL GAS WITH ORIFICE METERS
Hardcopy , PDF
English
12-01-2013
DISCLAIMER AND COPYRIGHT
FOREWORD
ACKNOWLEDGEMENTS
1 INTRODUCTION
2 SCOPE
3 BACKGROUND
4 SYMBOLS
5 PLATE DEFLECTION
6 FLOW EQUATION ANALYSIS
6.1 Orifice Plate Bore Diameter (d)
6.2 Contraction Coefficient (Cc)
7 DISCHARGE COEFFICIENT EQUATION
8 EXPANSION FACTOR
9 TAP HOLE LOCATION
10 SEAL RING LEAKAGE
11 CONCLUSIONS
APPENDIX 1 - ERROR ANALYSIS EXAMPLE
APPENDIX 2 - EXPANDED DATA FOR 316 STAINLESS STEEL
SIMPLY-SUPPORTED ORIFICE PLATES
REFERENCES
PROPOSAL TO REVISE HIGH DP TECHNICAL NOTE
A number of technical issues have been addressed with respect to using differential pressures higher than 100 inches w.c. with simply-supported, flange-tapped orifice meters.
DocumentType |
Standard
|
Pages |
0
|
PublisherName |
American Gas Association
|
Status |
Current
|
API 551 : 2016 | PROCESS MEASUREMENT |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.