Food manufacturing and packaging facilities continuously pursue stable vacuum equipment to extend product shelf life and maintain consistent food quality across mass production lines. Negative Pressure Roots Vacuum Pump Blower delivers sustained negative pressure extraction capacity that perfectly matches the continuous operating demands of food vacuum packaging workshops, solving multiple stability defects seen in traditional vacuum equipment. This document systematically covers core structural design principles, industry-matched performance characteristics, multi-industry applicable scenarios, standardized production processing standards, routine maintenance protocols, selection reference standards, and frequently encountered operational troubleshooting guidance. Plant operators and production technical managers can acquire comprehensive knowledge to maximize equipment operating efficiency and extend long-term service cycles without frequent shutdown interruptions.