BSI PD ISO/TR 15377:2023 – TC
$217.84
Tracked Changes. Measurement of fluid flow by means of pressure-differential devices. Guidelines for the specification of orifice plates, nozzles and Venturi tubes beyond the scope of ISO 5167 series
| Published By | Publication Date | Number of Pages |
| BSI | 2023 | 83 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 46 | undefined |
| 50 | Foreword |
| 51 | 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols |
| 53 | 5 Square-edged orifice plates and nozzles: with drain holes, in pipes below 50 mm diameter, and as inlet and outlet devices 5.1 Drain holes through the upstream face of the square-edged orifice plate or nozzle 5.1.1 General 5.1.2 Square-edged orifice plates |
| 55 | 5.1.3 ISA 1932 nozzles 5.1.4 Long radius nozzles 5.2 Square-edged orifice plates installed in pipes of diameter 25 mm ≤ D < 50 mm 5.2.1 General 5.2.2 Limits of use |
| 56 | 5.2.3 Discharge coefficients and corresponding uncertainties 5.3 No upstream or downstream pipeline 5.3.1 General 5.3.2 Flow from a large space (no upstream pipeline) into a pipeline or another large space |
| 58 | 5.3.3 Flow into a large space (no downstream pipeline) |
| 59 | 6 Orifice plates (except square-edged) 6.1 Conical entrance orifice plates 6.1.1 General 6.1.2 Limits of use |
| 60 | 6.1.3 Description |
| 63 | 6.1.4 Pressure tappings 6.1.5 Coefficients and corresponding uncertainties |
| 64 | 6.2 Quarter-circle orifice plates 6.2.1 General 6.2.2 Limits of use |
| 65 | 6.2.3 Description |
| 68 | 6.2.4 Pressure tappings 6.2.5 Coefficients and corresponding uncertainties |
| 70 | 6.3 Eccentric orifice plates 6.3.1 General 6.3.2 Limits of use 6.3.3 Description |
| 73 | 6.3.4 Coefficients and corresponding uncertainties |
| 75 | 7 Venturi tubes with machined convergent of angle 10,5° 7.1 General 7.2 Description 7.3 Limits of use |
| 76 | 7.4 Discharge coefficient 7.5 Expansibility [expansion] factor 7.6 Pressure loss 7.7 Installation straight lengths |
| 78 | Annex A (informative) An example of the calculations in 5.1.2 |
| 81 | Bibliography |
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