If the inlet and outlet valves on one side of the heat exchanger are closed, why must those on the other side be closed as well? 【Video】
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This is because the two sides of the heat exchanger are connected; if only one valve is closed while fluid continues to flow in on the other side, pressure will build up inside the equipment, which can lead to overpressure leaks or even damage to the equipment. Therefore, both sides must be turned off simultaneously during operation to ensure safety. .