How is the desalinated water used intermittently in the north usually insulated?
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Is it for insulation only, or for heat tracing? The steam tracing is not appropriate; the temperature is too high. Hot water? Is it better to do a thorough cleaning?
Heating is required for continuous flow; in non-explosion-proof areas, electric heating can be used as it allows for temperature control, while in explosion-proof areas, hot water heating is a suitable option
If not in use for an extended period, it is recommended to install a blind flange at the branch of the desalinated water main； If it is used intermittently over a short period of time, it is recommended to add heating (steam heating) and insulation
If not in use for a short time, vent the area locally.
If not in use for a long time, the pipeline does not need to be vented; if not in use for a short period, insulation and heating are not required