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Soft gaskets are not sensitive to surface conditions due to their ease of deformation, while for hard gaskets, surface conditions have a great impact.

The correct use, installation and maintenance of ball valves is very important, and it is also the content that heating companies must refer to when formulating operating procedures.

After entering winter, the temperature drops rapidly, especially in the northern regions, valves often freeze.Therefore, antifreeze and maintenance of valves are very important.

In order to prevent the medium countercurrent, check valves should be installed on the equipment, devices and pipelines