For the purchase of this electric on-off butterfly valve, the quality of the whole equipment should be strictly understood, and the key parts should be strictly understood and analyzed to ensure that the quality of these key parts is very stable, and there will be no many problems in the use process, In this way, people can ensure the good use effect of the whole product when using it. Especially for many pipelines transporting dangerous substances, such as gas pipelines and liquefied petroleum gas pipelines, when using this valve in these pipelines, we should choose products with high quality, so that we can ensure that there will be no more problems in the use process, So I recommend friends to pay attention to the quality of some products.

[Don't do it] First, there should be no looseness. For example, once the nuts on the first wheel are found to be loose, they should be screwed in time to avoid losing important parts. Second, during the operation of the electric butterfly valve, there should be no knocking, supporting heavy objects and other behaviors; Especially non-metallic electric valve or cast iron electric valve. Third, flexible wrenches should not be used casually, but should be prepared in time. During the process of packing gland, there shall be no skew or gap. If the electric butterfly valve is installed in the environment of wind, snow, dust and other pollutants, the protective cover should be installed. As for the scale on the butterfly valve, ensure that it is accurate and clear. Fourth, the cap and pneumatic accessories of the electric butterfly valve should be prepared, and the insulation jacket should not have cracks or dents.