对于所有元件(流量元件或控制阀除外)，列出了元件预计起作用范围内的实际最小、正常和最大压力与温度？

For all elements other than flow elements or control valves, the true minimum, normal and maximum pressure and temperature ranges over which the element is expected to be effective are shown.

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省煤器是燃煤锅炉中的辅助受热面的重要部件，在使用过程中承受较大的温度和压力，其制作质量将对锅炉运行的正常与否产生重大影响。

The coal-saving machine is an important part of boiler. It can endure higher temperature and pressure. Its manufacturing quality would influence the function of boiler.

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