The anti-corrosion of metal valves can be understood as coating the metal valve with a protective layer (such as paint, pigment, lubricating material, etc.) that protects it from corrosion, so that the valve is manufactured, stored, transported or used. No corrosion during the whole process. The anti-corrosion method of metal valves depends on the required protection period, transportation and storage conditions, valve structure characteristics and materials. Of course, it is suitable to consider the economic effect of removing anti-corrosion.
There are four main methods for preventing corrosion of metal valves and their parts:
1. Put the volatile corrosion inhibitor into the steam atmosphere (wrap it with barrier paper, blow to inhibit the air from passing through the product chamber, etc.).
2. Use blocked water and alcohol solution.
3. Apply a thin layer of anti-corrosion (protective) material to the surface of the valve and its parts.
4. Coat the blocked film or thin polymer layer on the surface of the valve and its parts.
