To simplicity isolation all through maintenance, it is actually a standard practice to Track down the isolation valve Within this line at pipe-rack degree, rather then along with the tank. Had the ammonia vapor line leaked, there would have been no approach to isolate the circulation of ammonia vapor from https://safety-in-chemical-proces90223.blogsmine.com/30381514/5-simple-statements-about-safety-in-chemical-processes-explained