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Precautions for Daily Maintenance of Sleeve Compensators
Release time:
Dec 29,2021
During pipeline operation, the sliding sleeve of the compensator is subjected to significant lateral forces from external sources. Therefore, it must always remain concentric with the pipeline’s axial direction and avoid any obstructions that could impede the normal sliding of the sleeve. Shared by the editor of sleeve-type compensators. During pipeline operation, the sliding sleeve of the compensator is subjected to significant lateral forces from external sources. Therefore, it must always remain concentric with the pipeline’s axial direction and avoid any obstructions that could impede the normal sliding of the sleeve.
During pipeline operation, the sliding sleeve of the compensator is subjected to significant lateral forces from external sources. Therefore, it must always remain concentric with the pipeline’s axial direction and be kept free from any obstructions that could impede the normal sliding of the sleeve. Shared by the editor of sleeve-type compensators. During pipeline operation, the sliding sleeve of the compensator is subjected to significant lateral forces from external sources. Therefore, it must always remain concentric with the pipeline’s axial direction and be kept free from any obstructions that could impede the normal sliding of the sleeve.
During maintenance, the condition of the seal installation should be checked, and bolts should be tightened promptly to ensure that the seal is leak-free. If the sliding sleeve of the compensator shows severe external corrosion and its leak-prevention effect becomes insignificant even after tightening the bolts, it is advisable to consider replacing the compensator. Before installation, elastic sleeve compensators should be properly stored to protect them from exposure to sunlight, rain, and contamination by dust and sand.
When installing the device, check whether the model and specifications match the design. The product markings should be free of defects such as dents, crush marks, or severe rust that could affect product quality. If the total length of a single-use component matches the sample, there is no need to further stretch or compress it. However, if the installation markings on the telescopic tube have shifted, adjust them accordingly before proceeding with installation.
The pipe sections welded to both ends must undergo beveling treatment. After welding, a hydrostatic pressure test shall be conducted as required (during the pressure test, the bolts at both ends of the packing chamber should be tightened until no leakage is observed). Twenty-four hours after operation begins, the bolts at both ends of the packing chamber must be tightened again. Ensure that the pipeline experiences no lateral displacement and only expands and contracts axially; install guiding supports on the side of the expansion joint. When axial displacement occurs on both sides, guiding supports should be installed on both sides to ensure that the axial displacement does not cause the compensator’s eccentricity to exceed ±1 degree.
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