| After-sales Service: | 1 Year |
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| Warranty: | 1 Year |
| Type: | Self-priming Pump With Inner Recirculation |
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| Self-priming pump is a single-stage single-suction centrifugal pump that generates self-priming by the special structure of the pump itself, which is called self-priming centrifugal pump. Compared with ordinary centrifugal pumps, there are significant differences in the structure of the pump body: first, the position of the pump inlet is improved, and sometimes the suction valve is installed; Second, a gas-water separation chamber is arranged on the water outlet side. The external self-priming pump is a self-priming device in the pump, such as a vortex pump, water ring vacuum pump, jet pump and manual pump. Compared with the ordinary centrifugal pump, the self-priming pump has a compact structure and simple operation, which not only saves the trouble of filling a large amount of water before starting, but also saves the low valve of the inlet pipe, reduces the water intake resistance, and increases the water output of the pump, but the efficiency of the ordinary centrifugal pump with the same specification is lower than 3% to 5%. Self-priming pumps are mostly used in light and small sprinkler irrigation units and pipeline irrigation units. |
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