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.
这种阀门每小时排放高温蒸汽btu的能力必须超过热水器每小时产生热量的能力。
This valve must also have an hourly rated temperature steam BTU discharge capacity not less than the hourly input rating of the water heater.
这种阀门每小时排放高温蒸汽btu的能力必须超过热水器每小时产生热量的能力。
This valve must also have an hourly rated temperature steam BTU discharge capacity not less than the hourly input rating of the water heater.
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