If you find black spots on the surface of the stainless steel ball valve, which affects the appearance, don’t worry, we can remove them according to the following methods.
1. Professional cleaning agents should be used to clean stainless steel ball valves, and chlorine-containing chemicals such as hydrochloric acid and bleach should be avoided.
2. The black spots of stainless steel ball valves can be mechanically treated, that is, the black spots are removed with a steel brush or abrasive wheel. Care should be taken to avoid damaging the stainless steel ball valve during the process.
3. If the black spots of the stainless steel ball valve are more serious, electrochemical treatment can be used, that is, a certain voltage is applied to reduce the metal ions on the surface of the stainless steel to metal and remove the black spots.