Selection of level gauges in instrument design
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In what situations are float level gauges, double-flange level gauges, and magnetic float level gauges used respectively?/
Generally, it is determined based on the medium density, temperature, the flow direction of the medium at the pressure tap, and so on
If a float type can work, then there’s no need for a double-flange design; after all, float level gauges are easy to install and maintain, and they’re inexpensive as well as intuitive to use. They work well in most situations where the liquid doesn’t crystallize. Usually, both types are used together
Double-flange level gauges are generally suitable for use in sealed containers or those with internal circulation that are not connected to the atmosphere. Buoyants and magnetic floats have a wide range of applications, but they are generally used for on-site display or as level switches, depending mainly on the process requirements.