Which insulating method is typically used for underground chilled water pipes?

The choice of a preinsulated pipe system for underground chilled water pipes is particularly advantageous due to its specific design tailored to prevent thermal loss and condensation in underground environments. These systems consist of a carrier pipe encased within an insulating layer and an outer protective shell.

This design effectively minimizes energy loss, maintains system efficiency, and safeguards against moisture intrusion, which is crucial in chilled water applications. The insulation wraps and jackets might not provide the same level of protection as they can be more susceptible to damage from external forces or moisture, which is common underground. Mineral wool insulation, while effective in some scenarios, lacks the integrated protection and moisture control that a preinsulated system offers, making it less ideal for this specific application. Thus, the preinsulated pipe system stands out as the most suitable method for insulating underground chilled water pipes.