管道灌溉技术是国家科技成果重点推广计划项目之一。它具有节水、节能、省地、省工、适应性强、落水质量高等优点。管道灌溉工程中的调压装置,在整个管道灌溉工程中起着重要作用,设计安装的好坏直接影响整个管道工程的效 Pipeline irrigation technology is one of the key promotion projects of national scientific and technological achievements. It has the advantages of saving water, saving energy, saving land, saving labor, adaptability and falling water quality. The pressure regulating device in the pipeline irrigation project plays an important role in the entire pipeline irrigation project. The quality of the design and installation has a direct impact on the efficiency of the entire pipeline project