Water treatment equipment is crucial for ensuring the purification and rational utilization of water resources, and pressure calibration pumps have extensive and important applications in its manufacturing process. In reverse osmosis water treatment equipment, the high-pressure pump is a key component. The pressure calibration pump can accurately calibrate the pressure output of the high-pressure pump. This ensures that the reverse osmosis membrane works under the appropriate pressure, allowing harmful substances such as impurities and salts in the raw water to be efficiently separated out, obtaining purified water that meets the standards. In ultrafiltration water treatment equipment, the filtration pressure of the ultrafiltration membrane also needs to be precisely controlled. The pressure calibration pump can calibrate the pressure sensors and controllers in the ultrafiltration equipment, ensuring a stable and reliable filtration process, improving the water filtration efficiency and quality. In ion exchange water treatment equipment, the resin regeneration process involves pressure operations. The pressure calibration pump can calibrate the pressure of the regeneration system, allowing the resin to be fully regenerated, restoring its exchange capacity, and prolonging the service life of the equipment. Thus, it provides high-quality, stable, and reliable water treatment equipment for industrial production, residential life, etc., helping with the sustainable management and protection of water resources.