Stroke Automatic Diaphragm Pump 

Product Description When the pump is being discharged out of the stroke, the diaphragm would start to move forward and the pressure in the pump head would increase immediately. When the pressure in the pump head is higher than the pressure in the outlet pipeline, the outlet one-way valve ball would be [pushed open" upward and the fluid in the pump head would enter into the liquid discharging pipeline. After the completion of the outlet stroke, the diaphragm would again stop moving instantly, the pressure in the pump head and the pressure in the outlet pipeline would be the same and the outlet one-way valve ball would restore and the next cycle would start. l/h   (…

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