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The principle of self-priming pump is: before the start of the pump filled with water in the pump casing (or the pump shell itself has water). After the start of high-speed rotation of the impeller so that the impeller channel flow of water to the volute, then the entrance to form a vacuum, the inlet valve against the open, the suction pipe into the air within the pump and reach the outer edge of the impeller channel. Self-priming pump is self-priming centrifugal pump, it has the advantages of compact structure, easy operation, stable operation, easy maintenance, high efficiency, long life and strong self-priming capability. Pipelines do not need to install the end of the valve, just before the work to ensure that the pump body can be stored quantitative dosing. Different liquids can be self-priming pumps of different materials. Self-priming pump applications 1, for urban environmental protection, construction, fire protection, chemical, pharmaceutical, dye, printing and dyeing, brewing, power, electroplating, paper making, mining and washing, equipment cooling. 2, fitted with rocker-type nozzle, but also the water rushed into the air, scattered into a small raindrop spray, farm, nursery, orchards, garden good tool. 3, suitable for water, seawater and acid, alkalinity of the chemical medium liquid and paste with a general paste (medium viscosity 4, and any type, size of the filter press supporting the use of the slurry to Filter press filter when the best supporting pump species. Yixing Zeus Pump Co., Ltd. invite you to join ~ ~