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XSK series products have a common characteristic that U-shaped spring is used for instant movement which has guaranteed a compact size and a flexible movement. The series are small in size and low in weight. As it produces low pressure, it is only applicable for the control of one-phase pump and is widely used in the second household water supply system. Principle for Selection:
It shall be noticed that pump power shall be no more than 1HP in the selection of XSK series water pump pressure control. And the right model shall be determined according to the actual lift and height for usage of the pump. Usually, the cut off pressure for controller is 0.5bar lower than the pressure related to the maximum lift and the cut-in pressure is 0.5bar higher than the pressure related to minimum discharging height.
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