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The Inspection Of Valves

Views:10     Author:Site Editor     Publish Time: 2020-11-09      Origin:Site

The Inspection Of Valves

In order to ensure the quality of the valve during production and processing, it is necessary to do its inspection work, so what is the specific operation?


Because when it is used on the pipeline, its quality affects the sealing safety of the pipeline, so it is necessary to ensure its wall thickness, structural length, etc. during production and processing, especially the valve blank and the pressure shell of the valve product. The surface should not have defects such as cracks, cold barriers, sand inclusions and pores. We can test these through experiments, that is, pressure tests are required before leaving the factory, and the test pressure should remain unchanged during the pressure holding and testing period. When liquid is used as the test medium, the air in the valve body should be removed, and the valve should be closed in the manner given by the design.


Only product materials that have been inspected can be sold. Of course, consumers should also do a good job of product quality inspection when buying, and avoid choosing inferior products.


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