Galvanic corrosion occurs when two dissimilar materials come into contact with each other. There are several ways of reducing and preventing this form of corrosion. Insulate the two metals from each other. If they are not in contact, no galvanic coupling will occur. This can be achieved by using non-conductive materials between metals APAC can supply nylon washers if dissimilar metals come into contact. A sleeve can also be used to isolate the two dissimilar materials.