What is generally used for temperature control in a steam condensing system?

In a steam condensing system, a temperature gauge is essential for monitoring and managing the temperature of the steam and condensate. The proper functioning of the system relies on maintaining specific temperature ranges to ensure efficiency and safety.

By providing real-time readings, a temperature gauge enables operators to make informed decisions about the operation of the system, such as when to adjust cooling water flow or make modifications to the heat exchange process. This helps in preventing overheating or underheating, which can lead to inefficiencies or potentially dangerous situations.

The use of a temperature gauge is crucial since it delivers the needed information to achieve precise control over the condensing process. Monitoring the temperature ensures that steam is adequately condensed into water, allowing for effective heat transfer and preventing issues such as corrosion or other damages from improper temperature levels.

In contrast, while thermostats and pressure switches serve important functions in controlling heating and pressure respectively, they do not provide direct temperature readings specific to the steam condensing process. A heat exchanger, while integral to the system, is not a control device; it facilitates the transfer of heat but relies on temperature readings to be appropriately managed. Therefore, the temperature gauge is the correct choice for temperature control in a steam condensing system.