室内排水生铁管因本身质量问题安装后发生漏水时,必须重新进行安装。但有时在情况不允许重新安装时,只有采取补漏措施。以往对生铁砂眼及裂缝采用铆接或焊接方法补漏,铆接方法补漏后,使用期限不长, When the indoor drained cast iron pipe leaks due to its own quality problems, it must be reinstalled. However, sometimes it is necessary to take measures to cover leaks when conditions do not allow reinstallation. In the past, riveting or welding methods were used to trap leaks in pig iron blastholes and welds. After riveting, the service life was not long.