A diaphragm pump is a type of positive displacement pump designed for reliable industrial fluid handling applications. It uses a flexible diaphragm and check valve system to transfer liquids, chemicals, slurries, and other process media efficiently.

Diaphragm pumps are widely used in chemical processing, wastewater treatment, mining, food processing, and other industrial applications due to their strong chemical compatibility, self-priming capability, and ability to handle abrasive or high-viscosity fluids. Air-operated diaphragm pumps (AODD pumps) are among the most common diaphragm pump configurations used inoperated diaphragm pumps (AODD pumps) are among the most common diaphragm pump configurations for industrial fluid transfer systems.