1. Industrial Production: In industries such as semiconductor manufacturing, chemical production, and food processing, positive displacement vacuum pumps are widely used in processes such as vacuum drying, vacuum filtration, and vacuum degassing.
2. Scientific Research: In laboratories of physics, chemistry, and biology, positive displacement vacuum pumps are often used to create vacuum environments for various experiments and research.
3. Medical Equipment: In the medical field, positive displacement vacuum pumps are used to suction blood, tissue fluid, and other fluids during surgery, and to assist in the operation of equipment such as ventilators.