AGA XQ199902 : 1999

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.