1 1. Diaphragm Pump: What Is a Diaphragm Pump? Basics
As shown here, a check valve works to move liquid in one direction, which is a key function that is essential to a diaphragm pump reciprocating pump. Generally, a check ball is used as the check valve. Structural Diagram of the Pump Head of a Diaphragm Pump The above shows the principle of the suction and discharge by a diaphragm pump.




































