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    The universal joint compensator should check its model, specifications and piping configuration before installation, and must meet the design requirements. For the compensator with the inner sleeve, the direction of the inner sleeve should be consistent with the direction of the medium flow, and the hinge rotation plane of the universal joint compensator should be consistent with the displacement rotation plane. A cold-tight compensator is required, and the auxiliary components used for pre-deformation should be removed after the pipeline is installed. It is strictly forbidden to use the method of deformation of the corrugated compensator to adjust the installation error of the pipeline, so as not to affect the normal function of the compensator, reduce the service life and increase the load of the piping, equipment and supporting members.

    During the installation of the universal joint compensator, the welding slag is not allowed to splash onto the surface of the wave shell, and the wave shell is not allowed to be damaged by other machinery. After the piping system is installed, the yellow auxiliary positioning members and fasteners used for installation and transportation on the corrugated compensator should be removed as soon as possible, and the limit device should be adjusted to the specified position according to the design requirements, so that the piping system is adequate under environmental conditions. Compensation ability. All moving elements of the universal joint compensator shall not be stuck or restricted by the external components, and the normal movement of each moving part shall be guaranteed.

    When performing the hydrostatic test on the universal joint compensator, the secondary fixed pipe rack equipped with the end of the compensator pipe shall be reinforced so that the pipe does not move or rotate. For the compensator for the gas medium and its connecting pipeline, it is necessary to pay attention to whether it is necessary to add a temporary bracket when filling the water. The 96-chloride ion content of the water test water cleaning solution does not exceed 25 PPM. After the completion of the hydrostatic test, the water in the shell should be drained as soon as possible and the shell should be quickly removed.

    The universal hinge corrugated compensator is mainly used to compensate the angular displacement in any plane of the pipeline.


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Universal hinge compensator
Universal hinge compensator
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