In this paper,the study and application on the connectors applied in the large-size UPVC main was introduced based on the long-term construction experience in jinan water supply company.

• 本文详细介绍了济南市自来水公司在长期的施工实践中，研制并改进大口径UPVC给水管道连接件的过程以及在城市供水管道工程施工中的应用。