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All pressure vessels utilized in refrigeration systems require overpressure protection to prevent their catastrophic failure. The principal means of overpressure protection is through the methodical design, installation, and maintenance of a pressure relief system.
The simplest pressure relief system will consist of a pressure relief device (e.g. pressure relief valve, fusible plug, rupture member) and interconnecting vent piping. In some cases, additional relief system components may include three-way valves, relief headers, and components to absorb (or destruct) vapor relieved from the system (such as water diffusion tanks or flares).
There are two commonly-referenced codes relevant to the design of relief systems used in industrial refrigeration:
The purpose of this tool is to determine the standard compliance of existing pressure relief systems, from the vessel through the relief device to the exit vent. This software tool was developed by IRC Associate Scientist Todd Jekel and Mark Geurts.
DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITIES: THESE FILES WERE PREPARED BY THE IRC. NEITHER THE IRC, NOR ANY PERSON ACTING ON BEHALF OF THEM: