Self-priming pump, before starting, does not need irrigation, after a short time operation, by the function of the pump itself, the water can be sucked up and put into normal operation.
The principle is: in the operation of the water pump, a certain amount of water in the pump cavity memory, pump start due to the rotation of the impeller and the suction pipe and the mixed water enriched atmosphere, and exhaust gas and water into the evacuation room. Gas water gas evacuation chamber at the upper part, the lower part of the water return to the suction line and the impeller, the residual gas mixed, until the pump and the inlet gas in the pipeline fully drained, complete the self-priming pump, to enter the normal working condition.
Its performance features are as follows: (1) the principle of air liquid mixing plan is accepted, and the layout of the pump is more perfect. Secondly, the hydraulic model is optimized to improve the self-priming ability and comprehensive performance. (3) accept power seal layout, cancel traditional plate or packing seal, and do not have a seal. 4. According to the variety of the medium, the corresponding material can be selected to make self - sucking pump. The simple structure, small volume, light weight, convenient maintenance: the placement of no leakage, high suction, easy to maintain, can replace the liquid pump, pump, submersible pump transporting low long medium.
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