The high-reliability pressure tank fire water supply equipment integrates a diesel engine, a high-efficiency fire pump, a pressure tank, and an intelligent control system. It has advantages such as automatic start-up, constant pressure water supply, continuous operation, independent power, intelligent monitoring, and convenient maintenance. It is widely used in industrial plants, high-rise buildings, commercial complexes, petrochemical plants, power facilities, airports, ports, and municipal fire protection projects, providing stable, efficient, and reliable fire water supply solutions for fire protection projects in multiple industries.