fuse catridge,fusion tube

The history and present developing situation of electrical melt welded fitting used in buried HDPE water and gas pipe in China is introduced.

介绍了我国HDPE埋地燃气、给水管用电熔管件的发展历史和状况,介绍了电熔管件不同技术的发展状况,特别指出电熔管件目前已经处于供大于求的现状。