Relief Valve Selection | MOST Important Criteria | Backpressure Factor

( 🔴 ) Link to FREE Udemy Course for I&C Professionals 1500+ Engineers have taken the Course (Engineers have said it is even BETTER than the PAID Courses available) Give it a Try 😊 Link 👉 https://asad-shaikh-instrumentation.c... Five criteria to consider when sizing and selecting pressure relief valves and safety valves: Set pressure, Back pressure, Blow-off capacity, Temperature, Valve and seal material. A relief valve or pressure relief valve is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset.