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2022
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11
The opening method and the FRP water supply pipe repair method have the same principle, and the difference is that
1. According to the position of the branch pipe, the position of the opening is reasonably determined, and the position of the socket of the FRP pipe is avoided as much as possible, and the better position in the middle of the pipe body is preferred;
2. The length of the steel flange tee fittings can be determined according to the size of the outlet diameter. The specific processing can be made by referring to the standard drawing diagram of steel pipe fittings in the Water Supply and Drainage Standard Atlas.
3, according to the construction plan, first excavation, and then the processing of the steel flange tee pipe fittings, when all the preparation work is completed, then stop the water operation, and according to the length of the steel flange tee pipe fittings Decided to cut the length of the FRP pipe;
4. After the steel flange tee fittings are connected with the single-disc connector, install the three-way branch pipe valve immediately, and support the bottom fittings and the bottom of the valve with concrete piers to restore the water supply in time.
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