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This pump works continuously in pulsar rating; each time a pulse is given to the magnet, which in turn push a piston. A diaphragm fixed on the piston head compressed the liquid in the pump head. The liquid exits the pump head through the delivery valve while the suction valve stays close. When the pulse ends, a spring moves back the piston and the diaphragm. The vacuum created by the diaphragm backward movement brings the liquid inside the pump head from the suction valve while the delivery valve is closed. The pump capacity is proportional to the number of piston strokes and to the pump head internal volume
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