API MPMS Chapter 2.2E (R2014) PDF
This Chapter specifies manual methods for the calibration of nominally horizontal cylindrical tanks, installed at a fixed location. It is applicable to horizontal tanks up to 4 m in diameter and 30 m in length. The methods are applicable to insulated and non-insulated tanks, either when they are above-ground or underground. The methods are applicable to pressurized tanks, and to both knuckle-dish-end and flat-end cylindrical tanks as well as elliptical and spherical head tanks.
This Chapter is applicable to tanks inclined by up to 10 % from the horizontal provided a correction is applied for the measured tilt.
For tanks over and above these dimensions and angle of tilt, appropriate corrections for tilt and appropriate volume computations should be based on the “Coats” equation.
This edition of API MPMS Chapter 2.2E is the national adoption of ISO 12917-1:2002.
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