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What should be paid attention to in pressure test of Luoying corrugated compensator

Time: 03-31 󰃯 Reading times: 854 󰃳 Editor in charge: The sea 󰃗 Column: product focus

Introduction: Corrugated compensator is very popular because of its many advantages. It plays an important role in pipeline. Metal corrugated compensator has many comprehensive properties, such as small space, not easy to leak, large amount of compensation, high life, safe and reliable, material saving and so on

ripple Compensator Because it has many advantages, it is very popular. It plays a very important role in the pipeline Corrugated compensator Compared with the traditional open type tension, it has the characteristics of small occupied space, low engineering cost, convenient installation and maintenance. Compared with the sleeve type compensator, it has the advantages of good sealing and easy installation and maintenance. The corrugated compensator has the following characteristics:
Recently, some customers sent photos and videos about pipeline installation Bellows compensator There was serious damage. When I saw the photos on site, I found that the screw of the limit pull rod was not loosened during the installation. In that case, the corrugated compensator could not play the role of compensation in the pipeline. Then, the medium passing through would have a certain working pressure on the compensator. Over time, the damage to the compensator was very large. After the installation of the compensator, the Yellow auxiliary positioning components and fasteners for installation and transportation on the compensator should be removed as soon as possible, and the limiting device should be adjusted to the required position according to the design requirements, so that the pipeline has sufficient compensation capacity under environmental conditions. The sleeve type compensator is the main part of the drainage pipeline. It is not allowed to be stuck or restricted by the external components, and the normal operation of each moving part should be ensured.
1. The double-layer (3) corrugated pipe is selected, and the project capacity is reduced.
2. The design of commodity structure is scientific and reasonable, and the Countermeasures of connection, installation, drainage, guidance and limit are reliable. Therefore, it is widely used in petrochemical, liquefied gas, power engineering, textile, food and warship manufacturing industries. It becomes a new type of prefabricated component for thermal offset compensation or seismic resistance of pipeline system software.
During the pressure test of the corrugated compensator, the nuts at both ends of the tension rod should be locked, and the compensator should be fixed by the pull rod force. Although this kind of engineering construction method can solve the problem of compensator deformation during pressure test, according to the product application and installation instructions, after the pipeline hydraulic test, the transport support rod will be loosened, so that all the movable components of the compensator will not be stuck or restricted by external components. During the specific operation, due to the effect of the pressure in the pipeline, the expansion and displacement of the water pipe has occurred. Therefore, some construction enterprises will transport rod nut lock, fixed compensator. In this way, the function of compensator is completely lost.