During the final acceptance test of a high-volume dishwasher production line, the flow switch DN inner housing ensures the precise control of coolant circulation within the assembly robot’s hydraulic system. This component plays a critical role in monitoring fluid movement, triggering shutdowns or alerts when flow conditions deviate from operational norms. In household appliance manufacturing, where precision and reliability are paramount, this part is integral to the maintenance and operation of automated machinery used in assembling complex devices like washing machines and refrigerators. Installed within the hydraulic circuits of test benches and production robots, it enables real-time monitoring, reducing downtime and ensuring consistent performance. Its presence allows engineers to detect early signs of system blockage or leakage, maintaining the efficiency of the manufacturing process. By safeguarding the integrity of fluid systems, the flow switch supports the seamless integration of automated equipment in high-precision production environments.