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Pressure gauges, switches and transducers all have important roles in the safe and efficient operation of process piping, skid systems and other applications found in many industries. However, in certain scenarios, these sensitive instruments require protection from a range of challenging conditions, including extreme temperatures, potential clogging from particulates, or corrosive environments that could compromise their ability to function properly. To address these challenges the American Society of Mechanical Engineers (ASME) created industry standards and recommends strategies to protect instruments from damage in demanding applications. For example, ASME B40.100 recommends the use of isolation devices - widely recognized as diaphragm seals or isolation rings - as protective barriers that can ensure the longevity and accuracy of your pressure instruments. In this article, you will learn more about the three biggest challenges of these systems and the reasons to use a diaphragm seal or isolation ring. You will also learn about material traceability and certain certifications that may be required for these devices.