What does IP55 mean? IP55means that the product is protected against quantity of dust that could interfere with the normal operation of the product but is not fully dust tight. The product is completely protected against solid objects. It is also protected against water jets projected by a nozz...
Primary grade:Release which can be expected to occur periodically or occasionally during normal operation ( > 10 hours per year to < 1000 hours per year). E.g.: Sampling points, equipment nozzle Secondary grade:Release which is not expected to occur in normal operation and, if it does occur...