Fixed Equipment Pressure Relieving Devices (PRDs)

Ensuring that Pressure Relieving Devices function properly is a critical part of any fixed equipment Mechanical Integrity program. These devices, and their associated piping, must be inspected and tested at regular intervals to ensure that they are providing the over pressure protection required by the applicable Code of construction.

Atmospheric storage tanks (ASTs) also require both over and under pressure protection. Note that ASTs may experience external pressures (partial vacuums) during unloading operations. To avoid buckling it is critical that AST under pressure\vacuum breakers be kept clear of obstructions and in proper working order at all times.

INSPECT allows PRDs to be easily modeled on your equipment. In addition, INSPECT tracks the required documentation including test and inspection history. Image attachments can easily be associated with the report by simply loading in picture files.

Visit the following resources for more information on Pressure Relieving Devices:

Pressure Relief Devices by The National Board of Boiler and Presssure Vessel Inspectors

Overview of Pressure Relieving Devices (PRDs) by Inspectioneering