This book presents a methodology which helps properly size all the components in a pressure relief system from the relief device through vapor liquid separation equipment up to the stack. It is the only book in this field that covers the topic of 2-Phase flow, based on the most up to date research and studies by the Design Institute for Emergency Relief Systems (DIERS). Along with the CCFlow suite of design tools and the new Superchems for DIERS® Lite software included with the, this book is essential for engineers designing chemical plants, refineries, and similar facilities