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Copper valve packing maintenance
Copper valve packing maintenance: 1, copper valve packing is directly related to the copper valve switch leakage occurs if the key seal, if the filler failure, resulting in leakage, the valve is equal to the failure, especially urea valve line, due to Its relatively high temperature corrosion more interested, the filler is easy to aging. Strengthen the maintenance can extend the life of the filler. 2, the copper valve at the factory, in order to ensure the flexibility of the packing, usually under static pressure test leak shall prevail. After the valve is installed in the pipeline, extravasation may occur due to factors such as temperature. In this case, it is necessary to promptly tighten the nuts on both sides of the pressure gland packing gland, as long as no leakage can occur and extravasation occurs later Tight, do not once dead, so as not to lose the elasticity of the filler, loss of sealing performance. 3, some copper valve packing with molybdenum disulfide lubricating paste, when used for several months, should be promptly added to the corresponding grease, when the filler needs to be supplemented, it should promptly increase the corresponding filler to ensure the sealing performance of copper valves . Transmission parts of the maintenance of the copper valve in the switching process, the original addition of lubricating grease will continue to drain, coupled with temperature, corrosion and other factors, will also continue to dry oil. Therefore, the transmission parts of the valve should be inspected frequently and found that lack of oil should be promptly filled in order to prevent increased wear due to the lack of lubricants, resulting in transmission is not flexible or failure of the card case and other failures.