Abstract:In 2007, API 521/ISO 23251 [AANSI/API Standard 521, Petroleum and Natural Gas Industries Pressure‐Relieving and Depressuring Systems, 2007] published guidance on the use of high integrity protective systems (HIPS). The Dow Chemical Company (Dow) updated its internal work process to apply Dow's risk‐based work processes to HIPS design, application, and evaluation. Rather than just focusing on the vessel‐related consequences of substituting a HIPS for a pressure relief device (PRD), the work process calls for st… Show more
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