| 摘要 |
A heat exchanger has tubes and headers, with each tube having both ends connected to the headers in fluid communication. A blockish joint of the flange connection type is attached to one header, and an inlet port and an outlet port are formed in the joint. One or two blockish connectors also of the flange connection type and fixed to ends of external pipings are connected to the joint, such that an effective core area of the heat exchanger is increased, and an operation for connecting the external pipings is rendered simpler and more efficient.
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