2. Float or plunger systems

2.1 Features

Float or plunger level control systems are certainly among the most widespread and exist in a wide variety of forms, which are difficult to list exhaustively. Their success is due to their reliability, robustness and ability to cope with a wide range of applications. However, they also pose a number of problems that we need to be aware of in order to use them correctly.

2.1.1 Buoyancy margin

Archimedes' principle postulates that any body immersed in a liquid experiences an upward...