The waterfeeding recirculation header pipe will be set between water-feeding pump and deaeration water tank to fulfill requirements for start-up and low load operation of waterfeeding pump.
在给水泵与除氧水箱之间，设置给水再循环母管，以满足给水泵在启动及低负荷运行时的需要。
Direction of rotation can be reversed at start-up or during use with no effect on performance Pumps can run dry without pump failure.
可在启动或运行时调整旋转方向，不会对性能产生影响。
Start up the circulating pump.
启动循环泵。
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