Stainless steel ball valve in the manufacturing process, very easy to contact with other metal products. In order to make the stainless steel valve can not rust, that the easiest way is to do the following process.
First: After the finished product, after pickling, it must be rinsed clean, if there are sand holes or perforation, it should be gas shielded arc welding welding. Then polished, and then solid-melt treatment;
Second: finished products, processing pressure test is completed. Rinse should be done with rust-proof water.
Third: In the transport process to make use of wooden packaging, do not touch the metal products.
Fourth: After the installation of the pipeline, regular maintenance and care of them, such as stem often coated with lubricating oil. Open and close the valve a few times as appropriate. The ball, stem, sealing surface is not easy to assimilate.
Stainless steel ball valves are generally reduced diameter and non-shrinking channel two structures. No matter what kind of structure, ball valve flow resistance coefficient is relatively small.
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