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What is the miniature pump "suction"
Industrial production, daily life, the need for water circulation, water transfer, dosing, spraying, spraying, washing, irrigation, showering, transfer, promotion, cleaning and many other applications, it is necessary to use micro-pumps, Small pumps, micro-pumps, mini-pumps and other micro-pump. The miniature pumps, micro-pumps, mini-pumps and other micro-pump has an important parameter is the "suction stroke." "Suction" is also called "maximum self-absorption height" (also can be understood as "degree of self-absorption"). That the micro-pump in the case of no water diversion, the maximum height of the water can be automatically sucked (pump pumping to draw away the vertical distance). When the general water source is lower than or equal to the placing position of the pump, it is necessary for the pump to have self-priming capability. For example, outdoor tourism, the need to draw the water in the river, it is best to use self-priming mini pump (impossible to go to the water pipe in the river plus some water). Or pumping the liquid corrosion, inconvenient to add water and so on occasion. For example: miniature pump series, the volume is not large, but the suction can be up to 4 meters, can indeed do not add water to 4 meters, count the micro pump is relatively high. There is a series of suction stroke up to 2 meters. In mini pumps, not all pumps have a self-priming capability ("suction stroke"). Some centrifugal pumps do not have the ability to self-priming, the first use must add water Caixing. Although some miniature pumps also have self-priming capability, the superscript "suction stroke" often has a gap with the vertical height of the water that can be drawn under "all the air in the inlet pipe", and may even be less than half. Therefore, pump selection, suction stroke is a more important parameter.