Expansion Tank Sizing & Design Guide

EXPANSION TANKS –

Every closed-loop system must have an expansion tank because it is sized to manage excess water resulting from temperature changes and water expansion. Either hot water, cold water, condenser water or both. Expansion tanks are not necessary in open systems. Like a water loop in a cooling tower. A makeup area is also provided by an expansion tank. For automatic water replacement of the system is lost due to many reasons including Leakage due to pump glands or maintenance.