Changing the flow mass at different stages may decrease the power consumption of water pump in hot water heat supply network.
热水供热管网采用分阶段改变流量质调节可以减少循环水泵耗电量。
It can deliver heat water, oil, corrosive or wearable medium by changing material of pump.
通过改变泵的材质、密封形式和增加冷却系统，可输送热水、油类、腐蚀性和含磨料的介质等。
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