The diaphragm pump has consisted of two diaphragm chambers and two diaphragms. The diaphragms are connected to each other with a diaphragm rod and move in a reciprocating action. As one diaphragm performs the discharge stroke, the other diaphragm which is connected with the rod is pulled to perform the suction. At the end of the stroke, an air distribution valve automatically shifts, reversing the entire sequence, filling and pumping from alternate chambers.
Mutual movements that repeated continuously ensure suction and discharge movements onto the fluids in each chamber. Continuously repeated reciprocal motions pump the liquid during entering to and exiting from the chambers. The flow of the fluid from one chamber to another is regulated by the suction and discharge valves.
The ball and butterfly valves automatically control the fluid suction and discharge of the fluid. The butterfly valves allow passage of the solid particles with a size up to the diameter of the pipe. The ball valves regulate the passage of the small-size particles
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