Tag
#tanks
2 topics across all disciplines.
Storage tanks — the simplest equipment with the largest consequences
Why the vapour space is the whole design question, how a tank breathes, why overfill protection must be independent of the gauge, and why a tank is far weaker against vacuum than pressure.
Measuring level — why most level readings are really weight
How differential pressure, displacers and radar each infer level, why a wet leg that partially drains makes the tank read full, what a bridle is for and how it lies on hot service, and why a gauge glass disagreeing with the transmitter is information rather than a nuisance.