The waterpipe is the lifeline of the city water supply, is an important guarantee to water quality and quality service of water supply enterprises.
自来水管道是城市供水的生命线，是供水企业优质供水、优质服务的重要保障。
2
Lab experiments show that such tubing collar is feasible to some degree in preventing corrosion of the screw thread of water cycling pipe, thus extending the service life of water cycling pipe.
经实验室验证，复合接箍对回注水管柱螺纹防腐具有一定的可行性，可以延长回注水油管柱的整体使用寿命。
3
All AWWA steel pipe coating standards are based on the maximum service temperature of potable water. The purchaser shall consult the coating manufacturer for conditions and limitations.