Diaphragm pump durability test bench. It is suitable for pressure resistance, on-off aging tests of various submersible pumps such as water purifier diaphragm pumps. The frame structure is assembled using industrial aluminum profiles, with multi-station independent design. The control system adopts a 7-inch touch screen + PLC control. The self-developed control system and PLC data acquisition software constitute human-machine intelligent control. Users can freely define and select all test data and test modes. It can automatically control and detect product faults, improve work efficiency, reduce safety hazards in test operations, and enhance testing speed and data accuracy. 