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#11
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Cita:
http://www.google.es/search?sourceid...50&q=ISO+12917 INTERNATIONAL STANDARD ISO 12917-1 First edition 2002-07-01 Corrected version 2002-09-15 Petroleum and liquid petroleum products — Calibration of horizontal cylindrical tanks — Part 1: Manual methods Pétrole et produits pétroliers liquides — Jaugeage des réservoirs cylindriques horizontaux — Partie 1: Méthodes manuelles Contents Page Foreword .................................................. .................................................. .................................................. ............. iv Introduction...................................... .................................................. .................................................. ..................... iv 1 Scope............................................. .................................................. .................................................. ............ 1 2 Normative references........................................ .................................................. ......................................... 1 3 Terms and definitions .................................................. .................................................. .............................. 1 4 Precautions....................................... .................................................. .................................................. ........ 2 4.1 General .................................................. .................................................. .................................................. .... 2 4.2 Internal method .................................................. .................................................. ........................................ 2 4.3 External method .................................................. .................................................. ....................................... 2 5 Equipment......................................... .................................................. .................................................. ........ 2 5.1 Equipment as used in the ISO 7507 series .................................................. ............................................... 2 5.2 Telescopic rod .................................................. .................................................. .......................................... 2 6 General requirements .................................................. .................................................. .............................. 2 7 Calibration procedures........................................ .................................................. ...................................... 3 8 External measurements...................................... .................................................. ....................................... 3 8.1 Introduction .................................................. .................................................. .............................................. 3 8.2 General .................................................. .................................................. .................................................. .... 3 8.3 Repetition of measurements...................................... .................................................. ............................... 4 8.4 Tolerances .................................................. .................................................. ................................................ 4 8.5 Other measurements on tank-shell plates............................................ .................................................. .... 4 9 Internal measurements...................................... .................................................. ........................................ 5 9.1 General .................................................. .................................................. .................................................. .... 5 9.2 Repetition of measurements...................................... .................................................. ............................... 5 9.3 Tolerances .................................................. .................................................. ................................................ 5 9.4 Other measurements on tank-shell plates............................................ .................................................. .... 5 10 Additional measurements .................................................. .................................................. ........................ 6 10.1 Deadwood .................................................. .................................................. ................................................. 6 10.2 Measurement of tilt .................................................. .................................................. .................................. 6 11 Other parameters .................................................. .................................................. ..................................... 7 12 Recalibration..................................... .................................................. .................................................. ........ 7 13 Descriptive data.............................................. .................................................. ............................................ 7 14 Computation of tank capacity tables — General rules............................................. ................................. 7 15 Effects of tilt.............................................. .................................................. .................................................. 8 16 Systematic calculations (summary) .................................................. .................................................. ........ 8 16.1 General .................................................. .................................................. .................................................. .... 8 16.2 Cylindrical volume .................................................. .................................................. ................................... 8 16.3 Volume of the knuckle-dish ends .................................................. .................................................. ............ 9 16.4 Elliptical ends .................................................. .................................................. ......................................... 11 16.5 Spherical head.............................................. .................................................. ............................................ 11 16.6 Deadwood .................................................. .................................................. ............................................... 12 Annex A (normative) Tilt .................................................. .................................................. ..................................... 13 Annex B (informative) Corrections of volume of tank table .................................................. ............................... 15 Bibliography...................................... .................................................. .................................................. ................... 18 ![]() ![]() ![]() |
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