对于锅炉厂的安全运行来说，截止止回阀和其它附加在锅炉上的安全阀或其它安全设施一样是必不可少的。
Valves are as essential to safe operation of a boiler plant as safety valves or other safety devices attached to the boiler.
如果连接主蒸汽热水器的锅炉不止一个，则在每个锅炉与热水器之间的管路上都应该安装一个截止止回阀。
When more than one boiler is connected to the main steam header, a stop check valve should be installed in the pipeline between each boiler and the header.
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