Intergraph PVElite 2017 This pressure vessel and heat exchanger design software is easy to learn and use. PV Elite® gives users fast start-up and confidence in their safety code calculations. PV Elite® provides engineers, designers, estimators, fabricators and inspectors with solutions that match their pressure vessel and heat exchanger design needs. Because the program is easy to learn and use, it is perfect for both regular and occasional users requiring fast start up and confidence in their safety code calculations. PV Elite is a complete solution for the quick and intuitive design of new pressure vessels, and it also evaluates and re-rates existing vessels, including Fitness for Service analysis. The program considers the whole vessel, addressing all of the wall thickness rules and stress analysis requirements for vertical towers, horizontal vessels and heat exchangers.