发明申请
US20090145200A1 HEAT EXCHANGER LEAK TESTING METHOD AND APPARATUS 有权
热交换器泄漏测试方法和装置

HEAT EXCHANGER LEAK TESTING METHOD AND APPARATUS
摘要:
A method for detecting the presence of a leak between two fluid paths of an assembled plate heat exchanger by evacuating one or both fluid paths to a low pressure, introducing a test gas to one of the fluid paths to create a pressure differential between the fluid paths, and testing for the presence of test gas in the second fluid path.
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