Repair patch for HSS manufacturers tell you that everyone is familiar with pipelines. It exists in all aspects of our lives. So do you know what specifications need to be paid attention to in pipeline repair construction? Today we will talk about it.
Pipeline repair construction specifications:
1. Before pipeline repair and renewal construction, the original pipeline shall be pretreated and shall meet the following requirements:
(1) The original pipeline after pretreatment should be free of sediments, garbage and other obstacles, and there should be no stagnant water that affects the construction. The whole or part of the pipeline should be repaired, and there should be no water seepage in the original pipeline.
(2) The inner surface of the pipeline should be clean, and there should be no attachments, sharp burrs and protrusions that affect the lining.
(3) When the broken (cracked) pipe method is used, the inner surface of the original pipeline may not be treated, but the original pipeline should have a passage through which a traction rod or a wire rope passes.
(4) Repair patch for HSS The manufacturer tells you that when using the local repair method, the original pipeline to be repaired and the inner surface of the pipeline within 500mm before and after should be clean, free of attachments, sharp burrs and protrusions.
2. The repair patch for HSS manufacturer tells you that the pipeline should be cleaned with high-pressure water jets. The sewage and dirt generated by cleaning should be discharged from the inspection well, and the dirt should be disposed of in accordance with the current industry standards.
3. The obstacles in the pipe that affect the lining construction should be removed by special tools or local excavation.
4. For the original pipeline with inner steel sleeve, the inner steel sleeve should be pretreated.
5. The parts where the pipeline is seriously deformed or damaged and the joints are seriously dislocated shall be pretreated according to the approved construction organization design.
6. Repair patch for HSS The manufacturer will tell you the original pipeline with serious water leakage, and the leakage point should be water-stop or water-proof.