1 - AS 2360.1.2-1993 MEASUREMENT OF FLUID FLOW IN CLOSED CONDUITS - PRESSURE DIFFERENTIAL METHODS - MEASUREMENT USING ORIFICE PLA
4 - PREFACE
8 - Section one. General
8 - 1 Scope
8 - 2 Symbols
8 - 3 Principle of the method of measurement and computation
9 - Section two. Square-edged orifice plates and nozzles with drain holes, in pipes below 50 mm diameter and as inlet and outlet devices
9 - 4 Drain holes through the upstream face of the square-edged orifice plate or nozzle
9 - 4.1 General
9 - 4.2 Square-edged orifice plates
9 - 4.3 ISA 1932 nozzles
9 - 4.4 Long radius nozzles
9 - 5 Square-edged orifice plates installed in pipes of diameter 25 mm less than or equal to D less than 50 mm
9 - 5.1 General
9 - 5.2 Limits of use
9 - 5.3 Discharge coefficients and corresponding uncertainties
10 - 6 No upstream or downstream pipeline
10 - 6.1 General
10 - 6.2 Flow from a large space (no upstream pipeline) into a pipeline or another large space
10 - 6.3 Flow into a large space (no downstream pipeline)
12 - Section three. Orifice plates (except square-edged)
12 - 7 Conical entrance orifice plates
12 - 7.1 General
12 - 7.2 Limits of use
12 - 7.3 Description
13 - 7.4 Pressure tappings
13 - 7.5 Coefficients and corresponding uncertainties
13 - 8 Quarter circle orifice plates
13 - 8.1 General
13 - 8.2 Limits of use
13 - 8.3 Description
14 - 8.4 Pressure tappings
14 - 8.5 Coefficients and corresponding uncertainties
15 - 9 Eccentric orifice plates
15 - 9.1 General
15 - 9.2 Limits of use
15 - 9.3 Description
17 - 9.4 Coefficients and corresponding uncertainties